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Bypassing passkey for 2003 Bonneville drivetrain in 85 Fiero
(Technical Discussion & Questions - by jhobbins, started: 08-04-2022, last post: 2022-08-08 15:46:15 CEST)
Hello, I'm having a bit of an issue with my fiero that I'm having trouble figuring out. I was unable to turn off passkey in hptuners on the 2003 pcm despite setting VATS to pwm and turning off 1626,29,30,31. When I plug in my spare 99 gtp pcm the car runs but won't shift into 3rd. The guy who...
Score: 149, Size: 6075 bytes
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Is there a source to purchase Fiero mating ALDL connectors?
(Technical Discussion & Questions - by Romsk, started: 07-27-2022, last post: 2022-08-01 02:00:39 CEST)
Version 1.6.0 of my free ALDL tool is almost complete. It will be posted soon on paul.romsky.com. I just need to document the special adapter for it that will cost about $20 USD to make.I am tired of sticking wires into the ALDL socket, it works but that is flimsy.Does anybody know where the male...
Score: 347, Size: 5237 bytes
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Can a mild build 3800 Supercharged swap Fiero Pull a Wheelie? Lets find out.
(Technical Discussion & Questions - by DimeMachine, started: 07-03-2022, last post: 2022-07-31 04:03:09 CEST)
I have had this 3800 Supercharged Fiero for quite some time and last winter it occurred to me that this car might actually be able to pull a wheelie. Fast forward to summer (better traction) and I decided to take on this challenge and see what I would need to do in order to pull my very first car...
Score: 236, Size: 7422 bytes
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2003 3800 runs for ~2 seconds help!
(Technical Discussion & Questions - by crash41301, started: 04-10-2016, last post: 2022-07-30 23:24:13 CEST)
Hopefully someone can help me out, or point me in a good direction to look...I am about done wiring up a 2003 3800 S/C swap into an 86 fiero. I am attempting to control the engine with a 2003 PCM running the S/C OS. The car has a healthy cam in it, 42lb injectors, N* MAF, N* TB. It cranks, all...
Score: 347, Size: 5435 bytes
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EGR Solenoid Easy Economical Replacement
(Technical Discussion & Questions - by Dennis LaGrua, started: 07-11-2021, last post: 2022-07-20 15:55:49 CEST)
The Fiero EGR solenoids have been discontinued for quite some time but there is an easy and economical replacement available that is used on the early Cherolet S-10's and it is available. Its Standard P/N VS12. The mounting and physical dimensions are slightly different but the function is...
Score: 518, Size: 60899 bytes
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Fuel pump relay potential issues
(Technical Discussion & Questions - by A_Lonely_Potato, started: 06-27-2022, last post: 2022-07-08 04:57:14 CEST)
Hey all, back again. A couple days ago when i tried to atart my car, i noticed that the fuel pump did mot prime with key on. The car still started, but died after about a second of running. Looking at other posts here, it seemed my issue is with the relay or wiring from there to the pump. Once i...
Score: 149, Size: 27237 bytes
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No spark no injector pulses- Question for the wiring experts
(Technical Discussion & Questions - by Dennis LaGrua, started: 06-09-2022, last post: 2022-07-06 16:35:51 CEST)
I have a 4.9L swap and the engine started and ran fine with the harness. Discovered that the transmission was bad so we pulled it out and had it rebuilt. Put everything back together, engine cranks but no spark and it appears that there are no injector pulses as well. Scan tool says defective...
Score: 299, Size: 27509 bytes
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Car is running LEAN! Good fuel pressure
(Technical Discussion & Questions - by gmctyphoon1992, started: 10-12-2016, last post: 2022-06-16 16:40:09 CEST)
1998 pontiac fiero gt. The car is just running lean somehow now after fixing the EGR system. All the rear side plugs are white. The car runs sluggish as well, hesitates a little, rough cold start and rough cold idle. The car runs alittle better warm. The car runs with a BLM of 135 and a INT of like...
Score: 449, Size: 40776 bytes
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Inside the GM tilt steering column
(Technical Discussion & Questions - by JazzMan, started: 12-04-2007, last post: 2022-06-05 18:43:19 CEST)
Deleted per Cliffw's request.[This message has been edited by JazzMan (edited 11-22-2011).]
Score: 236, Size: 138316 bytes
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88 2.5L running issue :( please help
(Technical Discussion & Questions - by gtxbullet, started: 11-08-2012, last post: 2022-05-23 19:04:04 CEST)
long story short I put my 2.5L back in my 88 and sold my 3.4L swap to buy a fastback daily driver.==================================here's the details:Starts fine, idles good for a couple minutesafter a couple minutes the idle rpm's sort of wander very oddly. not reving up and down, but gradualwhen...
Score: 149, Size: 38296 bytes
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