
1993 Cadillac DeVille 4.9L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy
Vehicle runs fine until the HVAC system is turned on , As soon as the A/C compressor kicks in the idle speed drops and does not recover , the system voltage drops below 11 volts , the vehicles surges and misfires idle motor opens to compensate idle speed and t...
FIX posted 7/7/2007
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Message Closed w/FIX
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VIN | 1G6CD53B8P |
Engine | 4.9 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / EFI |
Emissions | Federal |
Symptoms | Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire, Poor Fuel Economy |
Occurs | Always, Cold, Hot |
Misc. | De Ville |
Message Closed w/FIX
Vehicle Data
1993 Cadillac DeVille
VIN | 1G6CD53B8P |
Engine | 4.9 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / EFI |
Emissions | Federal |
Symptoms | Poor Idle Quality, Hesitation, Surge, Cuts Out, Stall, Misfire, Poor Fuel Economy |
Occurs | Always, Cold, Hot |
Misc. | De Ville |