Well I think I've narrowed down the problem I'm having but to assure I'm right I would like to hear some input.

I've replaced the spark plugs ( NGK gapped at .028 ), brand new spark plug wires, changed the coil pack, power transistor, alternator and a few misc other things. I've just been on a roll replacing parts trying to find the source of my problem. This is what occurs...

I start up the car (cold start)... its idles high then drops (normal). While its running (just still...idling) it drops lower idle then jumps and idles high, its keeps doing this and then occasionally almost stalling out/shutting off. If I were to get in the car and try to back up... giving it gas no problem... as soon as I let off it does the same thing I mentioned above. While driving (foot on the gas pedal) there's no problem. I let off and really no problems. I sit at the light... its idling high then it drops and begins to do the samething I mentioned.

Before anyone says its the ISC or TPS... both were checked and both are within limits.

Now to the reason I think I narrowed it down to the MAF. I started the car up today... it was doing what I mentioned above. While talking to my soon-to-be father in law I said to him... maybe its the 02 sensor if not the MAF. A few people told me it may be the MAF. So while the car is running I unplugged it and the idle stayed constent, no dropping then going high. I plugged it back in and it began doing the samething. Now would that be a sign of the MAF going bad or me doing that didn't really point to it being the MAF?

 

10 views... I need some help... seriously

I've been buying parts and replacing... pretty much just wasting my money because the problem is still there...

Oh yeah I almost forgot to mention...

When it starts doing the problem I mentioned in my first post. The stock boost gauge within the gauge cluster. Moves up and down within the (-) vaccumm, does not reach nor come close to 0 nor boost. When I unplugged the MAF it stayed leveled at the bottom where it would be when the car is off... no movement. My aftermarket boost gauge... the needle doesn't make the movement the stock boost gauge does, it actually stays at a constant vaccum level. I know the stock boost gauge is read by the amount of air... etc. the ecu thinks its reading.

I don't know if that info would help in leading me to a possible path of what it maybe.

 

I'll be removing my Stock MAF in a few days to put on my 2G MAF ..

My car has none of the idling issues that you decribe . If you like I can let you borrow my MAF to try and see if your problem still persists . If that is the issue I'll sell it to you for a very affordable price haha

PM me and i'll provide you with my #

 

I will be pming you if I find out I don't have any sort of boost leaks. It seems I'm being told by a few people on different dsm boards that its not my MAF that its a boost leak of some sort or idle surge. I'm thinking more the lines of a boost leak, because my TPS and ISC is within range. We'll see, hopefully the weather isn't too bad tomorrow... I need to finish my FMIC install.

Thanks for the offer, I'll keep it in mind.