
1999 Chevrolet Malibu 3.1L Poor Idle Quality, Poor Fuel Economy
Customer complained of loss of power and a bucking under load,and excessive fuel usage. Knock sensor activating and retarding timing. Disconnect knock sensor, Retest, power good now has a spark knock under load. Check datastream LTFT at idle -10 or more. Pulle...
Summary posted 7/1/2008
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Message Closed w/Summary
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VIN | 1G1ND52J8X |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / MFI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Poor Fuel Economy |
Occurs | Always |
Message Closed w/Summary
Vehicle Data
1999 Chevrolet Malibu
VIN | 1G1ND52J8X |
Engine | 3.1 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / MFI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Poor Fuel Economy |
Occurs | Always |