2003 Chevrolet Malibu 3.1L MIL Lamp on
Following mitchell ondemand flow chartfor P1635. I have 5-volt ref. at egr,tps,map code keeps coming back checked harness found no problem the only runnng problem is high idle intermittenty clear code drops down to norm. And one time while testing i had 6.25v ...
FIX posted 8/3/2006
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Message Closed w/FIX
Vehicle Data2003 Chevrolet Malibu
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2003 Chevrolet Malibu
VIN | 1G1CFCHGVH |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Intermittently |
Trouble Codes
P1635 | 5-Volt Reference 'A' Circuit Malfunction |