• The site migration is complete! Hopefully everything transferred properly from the multiple decades old software we were using before. If you notice any issues please let me know, thanks! Also, I'm still working on things like chatbox, etc so hopefully those will be working in the next week or two.

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    Big oil leak at the oil pressure sensor!

    99 3.8 na oil started leaking quite a few drops, and then today it is leaking enough to puddle oil on the ground. I looked and it looks like oil is heavily dripping from the plug on the oil pressure sensor that is screwed in to the oil filter mount. I looks like the oil is coming right out of...
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    Pcv cap and Vacuum boot

    Will this cause a vacuum leak?:eek: Does any one know where I can buy this vacuum boot and a new pcv cap? Are these dealer only items?
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    How to test an Air conditioning system

    About a year and a half ago my wife bought a new ac compressor and had it installed by a shop, without talking to me first. The air only lasted about 6 months and needed to be recharged again. After the recharge it did not blow cold, rather only cool air and only lasted about two weeks. I am...
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    Is there no answer to constant leaking plastic elbows?

    These dam plastic cooling elbows are a pain in the ass! I have replaced them three time in the last year and a half. The first couple lasted about 6 months, and thi last set I canged only about two months ago and now the bottom one is leaking again. Has any one fould a solution to seal them any...
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    Engine surging and dieing

    99 grand prix gt. 3800, engine surges and tac pulsates +/- a couple hundred rpms. Some times it will do it while setting idle and sometimes it will surge while under acceleration. some times when stopped at a red light it will surge and die. It will restart and if you keep a little throttle it...
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    3800 coolant loss

    99 pontiac gp. a couple of days ago the car started to get really warm while sitting still at a drive thru. When I got home and it cooled down i checked the coolant level and it was low. I had to add about a cup and a half of coolant. Two days later and the car starts getting warm again while...
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    replaced LIM and UIM gaskets, new elbow leaking

    Well I just got finnished replacing the lower and upper intake gaskets,Got it all fired up and the elbow that goes into the intake is leaking. It is leaking around the hole and O-ring. I can see the water comming from ther. And when I shut it down I can see and hear it hissing out of the hole...
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    shimmi

    I have a '99 Grand Prix GT and have had a bounce and shimmi that feels like it is in the front. I had the rack and all tie rod ends replaced and front end aligned. The bounce seemed to have gone away but the shimmi is still there. I checked all wheel bearings for movement. I found a little...
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    Po304

    My Check engine light came on and I got a trouble code of PO304 which is #4 cylinder missfire. What else besides plugs, wires and coil ,could cause the missfire? Thank's ...Hal
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    Tac quits and goes to zero/trac off light comes on

    I have a problem and need imput. While driving my 99 grand prix gt,sometimes intermitantly, the engine will miss quickly, then the tachometer will go to zero and quit working,while at the same time the trac off light comes on. The engine continues to run normally, just with no rpm reading. i can...
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