Top 20 1985 Pontiac Fiero Questions & Answers

If you're finding it difficult to service/repair your car, get one of those online manuals. You'll not have to wait for others to answer, or rely on mechanics and all. Plus I know a website that has very good manuals online, without expiry i.e. for lifetime. www.reliable-store.com

Found this info. Use a magic marker or something, mark around all the hinges before taking anything loose so you can get them back in the same place. Use two people, one on each side of the hood.

Hi jarrod im pierre you got a 4cyl or v6 i remember those fiero the distributor is near the firewall 4cyl the ignition module and picup coli use to get full or corosion everything got green in there the rotor to got a hole in it the v6 you got a check engine when you put the key in on position if not no power to ecm check the fuses on the positive side of the battery the positivecable got a little wire connected to it that you ecm power 6 inch after the therminal that little wire got a coupling pull that litlle wire use to have corrosion in therelet me no more info

this is done the same way as bleeding the brakes. make sure the clutch cylinder does not run out of brake fluid. the pedal should feel firm all the way through its travel and not soft.

Sadly your car is very old. But the good news is scap yards keep so man parts off any type of old cars .. Check with a mechanic first for the problem first make sure what it is !! and then if it needs changing call around. Could be a wire problem to the fuse could be anything check it out first.

Holy C**p. Kind of beyond the scope of this forum, dude. You need to search for a fiero forum, as I'm sure someone else has done this.

ANYTHING IS POSSIBLE BUT THIS IS A MID ENGINE CAR WITH THE ENGINE MOUNTED TRANSVERSLY. UNLESS YOU PLAN ON SPENDING A TON OF CASH , SEVERAL MONTHS FRABRACATING ON NEW FRAME TO SIT THE BODY ON AND THE BIGGEST PROJECT YOU HAVE EVER TAKEN ON I WOULD NOT SUGGEST IT

The injectors need to be tested for pulses between the two wires (not to ground or +12) with the engine turning. With it still, you will get almost the same reading (only noticeable if you use a meer) from both wires since the injector has a coil of wire between the two terminals. The electronics may float between ground or +12 on the wires depending if they are powered up or not. Do you have the appropriate pressure at the fuel rail? A V6 takes a lot more pressure than the 4 cylinder cars.

Assuming that it's an automatic. the neutral safety switch is mounted to the top of the transmission. on a stock Fiero, if you look down into the engine bay, on the driver's side, it's right on top. You can identify it by the row of wires coming out of it.

a Fiero, now that, is shot in the dark, one of the best cars made to covert to electric, my guess, lacking a drawing, cant find it , today. is

1. ignition stuck on.
2. relay stuck on
3. or wired wrong.

double posted, back up one please.

Do you know what you are loosing when the engine stops running ?

Torque converter solenoid. Or maybe just the wiring to it. Another common problem.

Can you describe the problem ? Have you checked the idle air control valve ? Is the throttle body clean ?

I had a problem with backfiring and what I found was my oxygen sensor had the wire pulld out. Being there was really no room to work I just spliced a new good wire on it and shoved the wire down in the sensor. It helpd a lot. But use a good wire. "Not speaker wire" because of the heat from the maniflod

Ok neither one have you have owned a fiero, there is no fuse box under either hood, and the ecm is in the center console! The fuel pump is run by the ecm and the fuel pressure switch to check the fuel pump apply 12 volts to the aldl connector inside your center console. all you have to do is take the little black cover off of the console where the cigar lighter is at. There are only 4 wires its the one that is farthest away from all the others. If you hear the fuel pump turn on then the fuel pressure switch is probably the culprit. I would get some schematics and check wires though. Odds are since it was in an accident there are probably some screwed up wires.

You would check for power in and out of the switch. No power to the switch would be checked at the fuse. If you have power in and out of the brake switch you would follow it to the turn signal switch if that bulb handles both circuits.

If you mean Idle Air Control, it's on the throttle body below the throttle position sensor. I think it's a deep, 28mm socket that fits over it, or you can use a big adjustable pliers or wrench. Read the instructions on the new one. Don't loose the pintle! Don't turn the ignition on with the IAC hooked up but not in place. The pintle will go flying out.

try the fuel presure regulater it should be on the fuel rail ( that is if it is the V-6 ) it hasone vacum line on it and it has i think like 6 screws holding it in. it will cause just that same problem it will also cause it to flood at idle and foul plugs and make it idle rough you may have to chage the plugs also. you might check the vacum to. it should run on stright vacum from the intake.

they do not make adapters for the ECM plugs, you will have to get the matching one for that car