Need Advice with 1995 Cavalier!!!

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  #1  
Old 07-17-06, 06:14 PM
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Need Advice with 1995 Cavalier!!!

The car was driving bad and stalling the Speedometer and Temp Gages were shooting around and behaving erratically and I had a Check Engine Light.. i did some research and ended up replacing the Oxygen Sensor and the Spark Plugs... It started up fine and i drove it around for about 15min and it seemed fixed.. It drove smooth, no engine light, and no stalling, and the gages were fine.. But suddenly I got the engine light back and the gages started shooting around but the car still drove smooth. so i drove back home and parked it.. Now it wont start.... I checked the spark plugs and the battery and the oxygen sensor and every thing was fine... i messed around with it some more and got it to start by tapping on the Guages... Kinda weird... My guess is that its sensing a problem with the gages and the computer is telling the car not too start but I'm not sure??? Whats your advice..?
 
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  #2  
Old 07-17-06, 06:30 PM
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Weird

I noticed the harder and faster you tap the Speedometer the more the engine starts and the better it runs but if you stop tapping it the engine shuts off...........WTF?
 
  #3  
Old 07-17-06, 07:00 PM
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some mid 90s GMs use a security system that verifies key to vehicle by the Instrument Cluster Module.(I know, sounds weird) If tapping on the dash gets it started, there may be a bad connection at the cluster or a bad cluster. may require a GM specific scanner to check module communication.
 
  #4  
Old 07-18-06, 08:48 PM
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bump................
 
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