1984 corvette ecm problems. It is getting gas and good spark.

1984 corvette ecm problems Before you start replacing parts, start with the basics. Your Choice of Quality. My brother has an 84 and we are attempting to replace the ECM as soon as we figure out where it is located. e. A bit Apr 2, 2011 · C4 Tech/Performance - 1984 ECM location? - If any one could help with the location of the ECM in an 84 with an automatic. The ALDL connector is under the centre console ash tray. 12,000 miles. Feb 22, 2025 · C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine Jan 29, 2008 · CorvetteForum - Chevrolet Corvette Forum Discussion C4 Corvettes, 1984 - 1996 C4 Tech/Performance cooling fan runs all the time Notices C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine Dec 19, 2012 · C4 General Discussion - Diagnostic codes. , are cracked sold Fuel, spark, ECM Test for presence of fuel pressure: When you turn the key to the on position you should hear the fuel pump run in the rear for a few seconds. Nov 20, 2007 · A thread for those who are also new to the ECM chip swap with the L98's. Also the ASR Jan 7, 2018 · DFI and ECM - Best ECM upgrade for stock 1982 Corvette with Crossfire Injection - Hello, first thanks for your help! I have a good customer who has this Vette and the ECM is bad. Fast Online Catalog. I was warming it up one day and it just shut off. Thanks for any help. If you're experiencing starting problems or your check engine light stays on persistently, check into your engine control module. :confused: 1982 - 1991 Corvette: Service Bulletin: Damaged ECM/PCM Mis-Diagnosis Due to Incorrect "Tap-Testing" Procedures 690 August 1, 2014 Electrical and Ignition, Electrical and Ignition 0 4. Here are a few important 82 and 84 corvette ECM diagrams and related diagrams that may help you with your troubleshooting. I have an 89 corvette L98 AT that I have recently purchased from a friend who had it sitting in his garage the last 10 years. Typical problems 1) The ground wire is broken. Apr 22, 2006 · C4 Tech/Performance - Symptoms of a bad ECM - Could someone tell me the symptoms of a ECM going bad. The document begins with an index of wiring diagrams spanning several years and types of electronic systems, providing an organized overview. With the things I have replaced, stated below, It should idle really well, smooth. Feb 7, 2016 · C4 General Discussion - 1984 corvette VATS problem ECM problem - The car will turn over but not run. Just a few pictures of me removing the ECM to get to my 85's chip. It includes sample diagrams for interpreting wiring schematics, detailed symbols Count on Zip Corvette for the best quality Corvette Parts available for your 1984-1996 Corvette. It may or may not work. The 1984 – 1989 C4’s ALDL (diagnostic) readout is enabled by grounding pin “A” to ground. Jun 5, 2023 · C4 Tech/Performance - Current options for ?86-?89 ECM replacement? - After doing a bit of testing this past weekend, it looks like the ECM in my car is a bit wonky and needs replacement. May 16, 2021 · The following list of common issues is intended for individual reference only, and may not reflect the specific issues of every 1984 Corvette. I was reading how the 84 ECM was better then the 82. It is getting gas and good spark. Jan 4, 2021 · C4_-_Wiring PDF An instructive document comprising a collection of wiring diagrams, schematics, and instructions specifically for Corvette vehicles from various model years. The 1984 through 1996 Corvette has an On Board Diagnostic (OBD) system which is part of the Electronic Control Module or ECM, (also known as Powertrain Control Module or PCM in 1994 and later Corvettes), plus a system of sensors located throughout the automobile. guru is your independent Corvette resource. 1984-1989 C4 Electronic Control Module ECM Restoration Service Let us restore your 1984-1989 Corvette’s ECM to factory condition. Find mobile mechanics near you and schedule an engine electrical inspection. Aug 9, 2024 · C4 General Discussion - Diagnosing and Fixing Issues with My 84 Corvette - Hey everyone, I?m new here and am aware that this has probably all been addressed a thousand times however, I am having some trouble with my C4 Corvette and could use some advice from those more experienced with these cars. No check engine light but a code 42. Mar 9, 2022 · C4 Tech/Performance - ECM problem? - So here is my saga. May 13, 2025 · Explore how the 1984–1988 Corvette 4+3 transmission works, common issues, fixes, and upgrade tips to keep your C4 shifting smoothly. The factory grounds to the Digital Dash Cluster are a known problem. I picked up an ECM at a swap meet for cheap. It still May 17, 2008 · The exceptions are the 1984 Corvette that used a speed density system--a sort of predictive method of measurement---and the 1990 through 1993 C4 models which were also speed density based. In a last ditch effort to get my overdrive functional I did the ecm bypass. These hours are about the same as a given number of miles of driving. Full Manufacturer Warranty. I would see if perhaps that situation Jul 26, 2013 · C4 Tech/Performance - ECM bad ??? 1986 - I've been trying to trouble shoot a driveability problem, that doesn't seem to have any problem codes, although it is hard to tell as the SES light seems to flicker sometimes, when in the diagnostic mode. It is 1226026 automatic unit. Jan 17, 2024 · Shopping around for a 1982 Corvette Engine Control Module (ECM) can be quite a hassle nowadays. The GM shop manual is recommended for this vehicle. Jan 21, 2011 · Codes, Codes, Codes… Have you noticed “SYS” intermittently showing up in your 1990-1996 Corvette’s speedometer display? This means there is a trouble code stored in one of the on-board control modules. The car runs but it is starting to show signs of age, and with that being said I have replaced the following items that have failed. I am puzzled because some say its a plug and play install and some say wire need to be cut/repin. Reinstalled the ECM but the problem persists. He couldn’t get the ECM to communicate with his OBD I scanner. About Chevrolet Corvette Engine Control Computer Few vehicles boast the level of style and performance offered by your Chevy Corvette. We have the expertise needed to help you maintain or restore your treasured Corvette! Apr 23, 2012 · CorvetteForum - Chevrolet Corvette Forum Discussion C4 Corvettes, 1984 - 1996 C4 Tech/Performance Are my problems the ECM, grounds, or something else? Mar 20, 2025 · C4 Tech/Performance - 1984 Corvette Tuning - I'm looking into tuning my 1984 C4 Corvette, if I am correct in this year the ecm is not very tunable. It has two bolts that need to be removed, getting to them is the only tough part. Our Brainiacs did it again! Apr 1, 2020 · C4 General Discussion - 1984 corvette ECM. Repairing the 1984 - 1989 C4 Corvette Digital Instrument Panel Cluster Dash Revision 2. Join us for Corvette Forums, community, tech library, Guru dictionary, and more. Just make sure the memcal chip from your current ECM is functioning - you will remove it and place it into the new ECM. It will start and run a couple more times then goes back to starting and dying. The Top 5 common issues, repairs, and problem areas of the C4 Corvette (1984-1996). I had the ECM repaired. So for starters the engine is in pretty good condition aka new sensors all around no vacuum leaks and fuel See full list on 700r4transmissionhq. If you don't hear it, confirm there's fuel pressure at the fuel rails. I have a 1986 Corvette. What are they? Which years have those problems? And which C4 models are safe to buy? In this article, you will get the answer to all of these Mar 4, 2012 · Subscribe Reply Subscribe Tags 1984, 1994, 84, bad, block, c4, check, coevette, corvette, ecm, ground, grounds, locate, location, locations, problem Back to Subforum View Next Unread A code 42 indicates there is a problem with the bypass circuit or wiring. 3K views 6 replies 4 participants last post by autowiz Aug 8, 2015 Mitko Discussion starter Sep 27, 2021 · Got a cross fire corvette grumpys performance garage c4 1990 1992 5 0l 7l v8 painless gm 1985 camaro z28 305 wiring diagram forums chevy enthusiast forum major fuel injector problems digitalcorvettes com diagrams for cars trucks suvs autozone 1981 color 11 x 17 crossfire specific technical corvetteforum guru ecm swap 1226870 to 1227730 To recover ECM codes from the 1984 through 1993 Corvette, place a short as shown below between pins "A" and "B" on the ALDL (Assembly Line Diagnostic Link) connector. It has the infamous Cross-Fire Injection and automatic transmission. However, the C4 has had some bad years. What number on the ECM will tell me what it will fit? The service number says 84 Corvette but I?m not sure of the other numbers. Previously I was getting the Jul 28, 2010 · Corvetteforum. Engine Fan doesn't turn even if engine temperature is getting high and the A/C fan doesn't turn when A/C is turned on. Our quality professionals will disassemble your ECM, clean the circuits, replace and solder any bad components. Recently I got my 1990 all sorted (replacement ECM/PROM) after the car starting quitting randomly. There is very little diagnostic information available with these cars. Apr 28, 2008 · The Engine Control Module (ECM) or P owertrain C ontrol M odule (PCM) operates the fuel injectors, varying their delivery volume by the time it actuates their coils, the on-time or pulsewidth is measured in milliseconds. Do not immediately buy a new sensor in hopes that will fix the problem. At that speed, in drive, it acts like it will die at any moment. Here?s a rundown of Apr 19, 2006 · The exceptions are the 1984 Corvette that used a speed density system--a sort of predictive method of measurement---and the 1990 through 1993 C4 models which were also speed density based. No SEL light or codes. All of our Corvette parts are made with high quality materials and built to last. You can swap it yourself in an hour or two of minimally invasive work. info that applies, to your car and year 1984: ECM Codes To recover ECM codes from the 1984 through 1993 Corvette, place a short as shown below between pins "A" and "B" on the ALDL (Assembly Line Diagnostic Link) connector. If you don't know the history of the car, start with an engine tune-up. Ridiculous price. More diagrams will be added in the future… If you need more diagrams, troubleshooting charts and ECM code explanations, stop by the Shop and pick up the digital GM service manual of your choice. 3) There's a bad connection at Mar 31, 2009 · The exceptions are the 1984 Corvette that used a speed density system--a sort of predictive method of measurement---and the 1990 through 1993 C4 models which were also speed density based. Oct 9, 2022 · Yesterday an elderly friend of mine who’s a retired SAE mechanic hooked up his scanner to my 89 Corvette to see if there was anything out of the ordinary going on with it. Leave the key set to ON. After numerous failed attempts he felt I may have a bad Dec 31, 2009 · Given the problems you have had and your time spent doing diagnostics , if you think it is the ECM at fault then you can get a used 1227165 around the Forums for $50 or less. Dec 24, 2020 · C4 Tech/Performance - Best aftermarket engine management system for a C4 - Hi Have a forged 383 sbc 10. I understand the ECT lets the ECM Jan 4, 2014 · verify the ignition advance and timing, and adjusting your valves and doing a compression check sure would be useful in determining your problems source remember the shop manual for your year corvette remember you'll YOULL want to read the shop manual for instructions for specific. Electrical Parts and More for Your 1984 CHEVROLET CORVETTE at Reliably Low Prices. Watching this video will help you diagnose to see if it's time to replace your engine control module. PROM questions - I am reading that my 1984 corvette should idle around 500 to 600 rpm. Any leads on a replacement or suggestions for what to look for on the one we have (i. com The 1984 through 1996 Corvette has an On Board Diagnostic (OBD) system which is part of the Electronic Control Module orECM, (also known as Powertrain Control Module or PCM in 1994 and later Corvettes), plus a system of sensors located throughout the automobile. The part number you're looking for is 1227165. A failing control valve solenoid can cause stalling and poor or very rough idle on the 1984 Corvette Crossfire engine. I have my 86 that I bought new?. Jun 27, 2012 · 1984 crossfire TPS problem Jump to Latest 7. Problem Even with base timing at +6deg Feb 19, 2009 · The exceptions are the 1984 Corvette that used a speed density system--a sort of predictive method of measurement---and the 1990 through 1993 C4 models which were also speed density based. Aug 28, 2020 · I'm looking for a good used or remanufactured/rebuilt engine control unit (aka: "computer") for my father's 1984 Corvette. When the engine RPM is below 400, the ICM grounds the bypass line and thus the ECM expects to see this circuit grounded during these conditions. I need to get my ECM rebuilt/repaired as their is no way to get a new or remanufactured ECM anymore. When my car gets to operating temp and as long as i'm on the throttle it's ok. The car starts up and will not hold an idle, it just dies immediately. If I hold my foot on the gas to bring it Aug 28, 2021 · C4 General Discussion - Repair of a 1984 1226026 ecm - Does anyone know where I can get a 1984 ecm repaired. The location of the ALDL Dec 16, 2022 · The 1984 Corvette was truly groundbreaking and featured advanced technology, but it's also the worst Corvette ever made. Jun 18, 2015 · Im looking for some small upgrades for the 82. I was thinking about putting a newer ecm in the Corvette from a truck of that same era. What they Aug 19, 2003 · C4 Tech/Performance - ECM problems? - How can you tell if you have a faulty ECM. I went to crank the car and it would not crank. In 1994, Corvette went back to the MAF based system but used the speed density approach as a back up. I was told there was loose solder. I just brought home my 82 Corvette. Jun 25, 2021 · C4 Tech/Performance - 92 ECM Rebuild/Repair Service Choice - Hi everyone, I own a 1992 chevy corvette LT1 automatic base model coupe. By chance do you know if most of the programming comes from the PROM or the ECM? Jun 19, 2011 · I have a 1984 Corvette that has 80,000 miles on it. Im not knowledgeable on the 84 crossfire engine, but my L98 was running like that when the intake manifold gasket was going bad and letting too much air into the system behind the MAF. I restarted it and drove it and all was ok. Aug 17, 2014 · The Haynes manual chapter6-8 reads: "Cold Start Module (1984 models only) The cold start module signals the ECM when a given number of hours of engine running time have passed. Corvetteforum. At the end of the day, finding a 1984 Corvette automatic transmission ECM is easier and definitely cheaper. Caused crazy idle surges from the ECM being unable to read air intake correctly, sounding almost like yours, stalling, and it wouldn’t run unless my foot was on the gas. How does one get at the ECM in an 1986 (see previous post for more details) 1984 Corvette Rebuild Service, electronic computer control module (ECM) with automatic transmission Volunteer Vette Products has C4 Corvette 1984 to 1996 electrical parts and accessories. Most people have done this swap. Looks like a great place. Early 85 model so I had the toggle overdrive switch next to the shifter, not on top of it. I am the fifth owner of the car but the car is mostly original. 2) The ground wire has a bad connection to the frame (under the drivers side cylinder head, near the firewall). The information later read that : "installing a later TPI pump will NOT change the fuel pressure, that is determined by the fuel pressure regulator. Oct 2, 2008 · ALDL 201 (OBD I) 1981 Corvette (L81) models have a very simple computerised ignition timing system. 5 compression with aftermarket aluminium heads, cnc machined runners and combustion chambers running hydraulic roller camshaft. THANKS. C4 Tech/Performance - ECM questions - So ive got a 1984 manual car. Then several weeks later I went to take it out and the same thing happened. 9 Example of cluster with board connector problems Videos of this repair! Click Here Symptoms That You Should Perform This Procedure If you're considering doing this, you have a 25+ year old Corvette. I have an 84 with auto. 1982 was the very first year for GM for electronic fuel injection (EFI) and the 1984 Corvette ECM is a direct plug and play upgrade to your early Crossfire fuel system as it has a better processor in it but is otherwise the exact same part. This way I can tune the engine to give it better performance. They can result in an intermittent or completely dark dash. If you have done this whats the install involve? thanks :cheers: Feb 11, 2013 · C3 Tech/Performance - 1982 crossfire ECM bad? - Hi guys. When you need a new ECM for Chevrolet Corvette, make AutoZone your destination. Not to mention, when you do get lucky and find one they | 1982, 1984, 82, 84, change, chip, computer, control, Corvette, cross, crossfire, ECM, engine, eprom, fire, guide, module, replace, secret The 1984 through 1996 Corvette has an On Board Diagnostic (OBD) system which is part of the Electronic Control Module or ECM, (also known as Powertrain Control Module or PCM in 1994 and later Corvettes), plus a system of sensors located throughout the automobile. It ran bad but drove up on the trailer for the trip home. When the ECM detects knock counts it pulls timing till no knock is reported and then gradually increases timing to the current setpoint. Oct 18, 2004 · CorvetteForum - Chevrolet Corvette Forum Discussion C4 Corvettes, 1984 - 1996 C4 Tech/Performance How do you test for a intermittently bad ECM? Jun 20, 2023 · C4 Tech/Performance - 1986 Corvette, ECM problem, always in 10K mode - Hi all, I'm new to the forum. The engine is a new Jun 28, 2007 · C4 Tech/Performance - 89 L98 ECM Problem? - a little history of the car. Replace it yourself with a part from a used Corvette or Firebird. ECM from Gm and I'm having problems with my idle. 90-96 Corvettes have the buffer in the ECM/PCM (electronic control module/powertrain control module). To read the codes, short pins “A” and “B” together with a small piece of wire or paper clip. The master brake cylinder, antenna, bulbs and Feb 2, 2024 · It is also critical that the ECM is in good working condition. I am able to use the scanner and retreived data. Jun 8, 2019 · The distributor outputs rotational frequencies to the ECM (Engine Control Module) as a result of the engine being rotated by the starter. Check/replace your spark plugs, wires, cap, and rotor. 82K In this video, you will learn 4 symptoms of a bad or failing engine control module. Apr 11, 2013 · CorvetteForum - Chevrolet Corvette Forum Discussion C4 Corvettes, 1984 - 1996 C4 Tech/Performance 84 Coolant Temperature Sensor To ECM Notices C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine May 3, 2022 · CorvetteForum - Chevrolet Corvette Forum Discussion C4 Corvettes, 1984 - 1996 C4 Tech/Performance 1984 corvette ecm Notices C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine Mar 20, 2020 · C4 General Discussion - 1984 corvette ECM. It has the original ecm and I think it has some problems but want to get people's opinions on it before I pull the trigger and replace it. This is not a guarantee fix for everyone. Oct 4, 2018 · The 1984 and 1990-1996 Corvettes use a NC control valve solenoid that blocks vacuum flow until the ECM or PCM applies an electrical ground to open the valve. 1982 Corvette (L83 Crossfire) models had a more detailed ECM, much like later vehicles. This frequency continues as long as the engine turns (both starting and running) if no frequency output is present the engine will not run. The ECM/PCM gathers input from the sensors and continuously changes the fuel/air mixture, timing and other engine and transmission Sep 29, 2021 · NOTE: If you do manage to use a 1984 control module from a manual transmission Corvette in a 1982 Corvette without reprogramming the EPROM Chip, you will get a problem with a very high idle RPM. Apr 24, 2003 · C4 General Discussion - ECM problems - What kind of symptoms does a 1986 Corvette show to tell you that an ECM is no longer good? Is it normal to have to replace an ECM? Feb 15, 2009 · I read on somewhere that the 84 fuel pump specifically was weak and unsteady and it was advised to upgrade it to the 85-87 fuel pump. Garage queen. The purpose of the cold start module is to control emissions for 10 seconds after the engine starts below 175-degrees F, until a certain mileage is Jan 2, 2017 · CorvetteForum - Chevrolet Corvette Forum Discussion C4 Corvettes, 1984 - 1996 C4 Tech/Performance 86 Corvette ECM Problems Notices C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine Jan 11, 2021 · Starting this year the Corvette was equipped with the Computer Command Control ECM and with the Model 400 Throttle Body Injection System. Am looking at going to a modern user friendly self learning engine management system, Shop ECM/PCM/BCM Parts for your 1984-1996 C4 Corvette. C4 Corvette Start Problems and solutions for your troubleshooting needs. DIY-Easy. 1982 and 1984 were the only years for the Corvette with Crossfire Injection. Oct 1, 2024 · C4 Tech/Performance - 85 ecm troubles? - I bought this 85 corvette and everything worked perfectly except the doug nash unit. There's a Schrader valve on the fuel rail that you can unscrew the cap from and poke the nipple with a small screwdriver and see if gas Mar 13, 2004 · C4 Tech/Performance - ECM problem - Hey, I've got a series of problems on my poor C4. Our inventory selection includes remanufactured ECMs and prom chips, along with flash programming and a ECM/PCM remanufacture service The 1985 Chevrolet Corvette is commonly known as the C4 Corvette because it belongs to the fourth generation of Corvette, which ran from 1984 to 1996. It has a 1227165 ECM. No help in tech section since this is an ECM related question I thought I'd ask in here. It worked for Jan 7, 2016 · Learn how to Identify bad ECM symptoms with YourMechanic’s guide. When the 1990 Corvette debuted, GM introduced ECM (Engine Control Module) and CCM (Central Control Module) trouble codes. Whether you’re maintaining your 4th generation Corvette or completing a full restoration, our selection of C4 Corvette Electrical Component parts is unsurpassed. . I have a reman. He has replaced the fuel pump, and claims to have rebuild the throttle bodies and fuel pressure regulator. Nov 20, 2014 · C4 Tech/Performance - Question on Engine Coolant Temp Sensor in my 84 - Hi guys, So, I've been having problems with my 84 running rough when it reaches around 195F and some of the good people on this forum suggested changing the Engine Coolant Temp sensor in the front of the intake. He purchased it new and drove it for its first 40,000 miles and parked it when the tires got bald and the Dash cluster Jan 15, 2012 · C4 Tech/Performance - ECM / PROM Failure 1990-1993 Query - Hi Guys, Thought I would post this for fellow C4 owners who have had issues or are having issues with electrics going strange. 1982 was the last year of the C3, followed by 1984 with the C4. If I hold my foot on the gas to bring it Sep 20, 2025 · C4 Tech/Performance - ECM problem? - My 92 starts then dies immediately. The computer calculates this time based on information from its sensors. I scanned the codes and it is showing a code 46 any ideas? Feb 19, 2019 · c4 & c5 corvette trouble codes if your corvette won,t start or run, don,t panic its usually easy to locate the problems source, buy a CHEVY SHOP MANUAL FOR YOUR YEAR CORVETTE! RULE#1 never assume a damn thing ISOLATE ,TEST AND VERIFY Just like a carbureted engine, the 1982/1984 Corvette Crossfire injection system needs the correct amounts of fuel, spark, and air to run properly. Jun 19, 2020 · I currently have a PROM chip for a 1984 Corvette since my ECM is from a 1984 GM vehicle. In this video i show you guys how you can repair your ECM for a C4 Corvette. (1989 Bosch MAF installation shown at right). 84-96 - 1984: code 13 =1 flash followed by 3 flashes =>oxygen sensor code 14 =1 flash followed by 4 flashes =>coolant sensor code 15 =1 flash followed by 5 flashes =>coolant sensor code 21 = 2 flashes followed by 1 flash =>throttle position sensor code 22 = 2 flashes followed Aug 1, 2007 · 84-89 Corvette dashes have the buffer and cruise control onboard the speedometer cluster assembly. If I rap on the ECM it will start and run fine. I connected pin a7 (tan Sep 8, 2003 · C4 Tech/Performance - ECM Problems - How can I check to see if the ECM in my 1986 Corvette is funcitoning properly? I am not sure if I have a bad ground somewhere or if the ECM needs replacement. Jun 25, 2023 · C4 Tech/Performance - 84 ECM part number - Hello. The Previous owner said it was running very rich. We would like to show you a description here but the site won’t allow us. Look into the problem a bit more first using the links from the code table as your guide and consider buying a scan tool so you can determine exactly what your ECM/PCM is being told by the various sensors and---just as important---how it is reacting to the sensor inputs. I'm trying to fix a problem where the engine Mar 25, 2009 · C4 Tech/Performance - Need help with ECM 1986 - I have a code41 problem. Could this be an ECM problem? Is there anyway to test it? or could this be another problem? thanks. When the engine rpm goes above about 400 rpm, the ECM applies 5 volts to the bypass line. The CFI is a fuel delivery system that is extremely dependable. I'll show you why these will fail, how much they cost to fix, and how to p Oct 23, 2022 · C4 General Discussion - Need a new ECM for the 1984 Crossfire Vet - I need some advice on where to get a new ECM? I somehow managed to do something that burned up mine. In addition, ABS/ASR (Anti-lock Brake System/Acceleration Slip Apr 21, 2010 · Background The \’85-\’89 L98 uses an Electronic Spark Control (ECS) module to listen to the Knock Sensor and report ping to the ECM (on \’90-\’96 Corvette motors the ECM listenes directly to the Knock Sensor). We test each ECM before shipping back to you in order to insure that it is in working condition. The ECM is located on the passenger's side, above the kick panel. I've made a ALCL cable and downloaded 'Winalcl'. civhn ncorm xwhc lujfvn gsdvh yichtuo rirst ctnxd fvcvv hgm uahs wpzha eigzqqv thq exckb