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couple critical questions

TheGreatSamG

TheGreatSamG

New member
I need some help on a few things on my 98 GTP.

FIRST I have to change the fuel injectors because it is misfiring. The problem is I don't know which ones to buy because I'm slowly Modding my car.

Right now I got the custom fender wall air intake. Soon ill be getting a downpipe with the magnaflow catback from zzp and deciding on either pacesetter exhausted or flowmaster 40 series.

Also is there a way to change the crankshaft position sensor without taking the pulleys off. The plastic peiece is a pain trying to get it off. Hopefully when I change this sensor my rpms will stop randomly turning off on me.

I have no idea why my ABS/tcs lights are on
 


And hopefully by the end of the year ill be putting in a 3.4 pulley.

Pcm?? I dunno when I should get that. I don't want to keep re tuning it
 
And hopefully by the end of the year ill be putting in a 3.4 pulley.

Pcm?? I dunno when I should get that. I don't want to keep re tuning it
 
TheGreatSamG said:
I need some help on a few things on my 98 GTP.

FIRST I have to change the fuel injectors because it is misfiring. The problem is I don't know which ones to buy because I'm slowly Modding my car.

Right now I got the custom fender wall air intake. Soon ill be getting a downpipe with the magnaflow catback from zzp and deciding on either pacesetter exhausted or flowmaster 40 series.

Also is there a way to change the crankshaft position sensor without taking the pulleys off. The plastic peiece is a pain trying to get it off. Hopefully when I change this sensor my rpms will stop randomly turning off on me.

I have no idea why my ABS/tcs lights are on
Click to expand...


first, why is your first guess for a misfire the injectors? usually those are the LAST thing you guess at when youre misfiring.

both of those exhausts will sound like poop, but okay.

no there is no way to change the CPS without taking off the crank pulley unless youre a damn magician.

your ABS/TCS lights are on at the same time because you need a new wheel bearing.

TheGreatSamG said:
And hopefully by the end of the year ill be putting in a 3.4 pulley.

Pcm?? I dunno when I should get that. I don't want to keep re tuning it
Click to expand...

if your plans are to continue modding then you will have to continue retuning it. there is no off the shelf pcm that will cover all setups, or any setups really.
 
Have your injectors cleaned and flow tested. If you can't find anyone local, Stiegemeier Porting Service can do it for $85, cheaper than new injectors.

Also, I had TCS/ABS light and I had replaced my hub assy's only one year before. Turned out to be a broken wire in the harness :confused: a real head scratcher for sure. Good luck.
 
I guess its the injectors because it threw a code and autozone told me. There is new spark plugs and wires. For some reason it doesn't misfire all the time. Its randomly. It can be running fine an if I turn it off for a second and turn it on it can start misfiring. I guess ill have to change the back ball bearings since the front ones are new since last year.
 


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