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Chevrolet Cavalier Starting/Stalling Problems

144 messages, Last post on Dec 05, 2009 at 4:40 PM
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I probably made a big mistake a couple weeks and bought a 97 cavalier convertible that won't start. I'm not a professional mechanic but have been working on cars for 30+ years and can usually figure out what the problem is. I have no codes because the previous owner put a new battery in it thinking that might be the problem. The engine cranks fine. I have done various tests on it and I have no spark. I have 12 volts from the key to the module with the key on and I have 12 volts to the positive prong of the module to coil pack connector with the key on. I do not get a voltage pulse on either of the negative prongs of the module to coil connector when I test with the engine cranking. I replaced the module, no change. I had old and new module bench tested and they both tested good. I put the original back on and the parts place was gracious enough to refund the $150 I spent on the module. I replaced the crankshaft position sensor. no change. I tested the camshaft position sensor and the wire that goes to the computer is supposed to have full voltage when the cam lobe is at the sensor and no voltage or much lower voltage when the cam lobe is away from the sensor. I have full voltage all the time. At this point I suspected maybe a broken timing chain and the cam's not turning. I took the sensor out and cranked the engine and the cam is turning fine. I bought a new cam position sensor. No change. I still have full voltage no matter what position the cam is in. I do not want to spend the money it would take to have the car put on a scanner at a dealer. It has 177,000 miles on it. Right now I have $500 in it and am about ready to throw in the towel. Does anyone reading this have any ideas that I haven't covered? Thank You. |
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Replying to: ktscarlett1982 (Jan 04, 2009 3:13 pm) |
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| Replaced fuel injector on a 1995 Cavalier 2.2 motor. Now car acts like it wants to start, but doesn't. Any suggestions? | |
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Replying to: beehive (Feb 27, 2007 6:48 am) |
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we have a 99 cavalier that cuts out and starts shaking at 1/4 throttle. it won't do this until it reaches normal engine temp. then stalls when you come to a stop. new fuel pump,new TPS,new MAP,new O2 sensor,new coil packs and ignition mod,new plugs,new wires. new crank sensor. won't stall or cut out in reverse. pulled O2 sensor and ran engine to make sure no exhaust restrictions. |
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hi i have a 1994 cavalier and it has 180,000 miles and the engine was missing and so i took it to get it fixed and he said it had a burnt valve and he fix it and we got it back and it would not start and we took it back and they said the starter was bad so they replaced it and the car will start but now it still missing but worse at idle and while driving and the engine is knocking in it and the oil light came on so i checked the oil and it was full the oil light comes on only at idle speed but i don't know if its the sending unit went bad or the oil pump and i think the rod baring is going bad to, the engine don't tap it knocks its been knocking for about a week now i put new plugs and new wires and new o2 sensor on it. so if any body could give me any pointers that would be great
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Replying to: bob263 (Jun 06, 2009 2:46 pm) |
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after all the minor problems of the car were fixed we could only get it to stall in drive. |
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| my 99 Cavalier has been running fine. Drove 3 miles, stopped and when I returned there was no action at starter. Battery is good and I cleaned terminals. Jumped starter at solenoid with key on and it turned over but died when i released. I replaced start relay on cross member over radiator. still no good. Had what looks like a cheap alarm hooked to oil sensor which had like a phone cord into the passenger compartment I disconnected the whole mess but still no start. You can hear fuel pump when key turned to run and radio dies out when you turn to start but no other action. Any ideas? | |
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Every time my 95 cav gets to 1/4 tank of gas it starts to stall. If I ride the brake and gas at same time I can keep driving (pain in the butt). I know that there is fuel in the tank (about 10L). once I put in more fuel I can get it started but will still stall until I drive for about 10 or 15 minutes, then all is fine. I recently replaced the head gasket. Any ideas. Also I replaced my thermostat and know my temp gage reads a lot higher than it use too. |
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