Need help with 97 Cavalier 2.2
- Thread starter -83MONTESS-
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Even though everything was fine for 5 days after I changed the spark plugs and wires?Fox80 said:
I still say headgasket as well. Do a compression test when cold i bet you find a difference. When things get hot they expand sealing up the cylinder. This may go on for a few weeks or months before its a major problem and wont even start. Every single cavalier i have fixed has turned out to be a headgasket issue. The torq to yeild bolts suck.
Definitely head gasket, put the pressure tester on er pump her to 25psi remove the plugs and wait a half hr or so and then check the cylinders with a pen light for coolant. I have had several of em with this problem.
-83MONTESS- said:
Yes hands down, all of your symptoms are hands down head gasket. A compression check is not a great way to check, the motor spins over fast enough to make compression with a small gasket leak. A leak down test will show the cylinder(s) that are suspect, then pull all the plugs and do a coolant pressure test, when you do that it will fill a cylinder with water. But to be honest after a couple dozen of these motors I stopped diagnosing them, customer came in said it ran like crap in the morning and used coolant, just pull the head, gasket every single time. Make sure you have a decent machine shop do the head work, the valve seats in these heads suck and need touched up, and machine the surface of the head (cam installed) to the finish called out by the gasket company (FelPro hopefully) and use new bolts. Do your timing components while your in there, 6 hour job not counting machine work
Ok so after new plugs the horrible miss is now gone. The car starts fine and runs fine without a miss but now it shuts off when I come to a stop. It doesnt spit and sputter or miss or anything the idle just drops way low and the engine literally shuts off. It will start right back up but anytime I have to stop I have to drop it in neutral and keep the rpm up. Im hopefully taking it to a garage tomarow to get it scanned. What do you guys think?
After trying to do some homework on this issue from other people this screams IAC to me. I just replaced the IAC a week or so ago but I noticed that the new one had a large black plastic bulky tip instead of the smaller metal pointy tip that was on it originally. Could this be my problem?
I'm kinda thinking you got a defective iac. If you cleaned the old one and it straightened out and the new one has made it worse i would swap it out and give it a try.
I cleaned the old one a few months ago but when the car started acting up again I replaced it since I figured it finally went bad. I still have it in the box so I suppose I could put it back in to see if its fine.jphillips said:
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