
1995 Cadillac DeVille 4.9L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Poor Fuel Economy
Thank You in advance to all that reply. This caddy came in with a bad hesitation sometimes and running very rich. The o2 sensors were fixed rich and would not respond to propane or vacum leak. The injector on time at hot idle was about 5.3-6.0 ms. The LTFT was...
FIX posted 6/30/2004
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Message Closed w/FIX
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VIN | 1G6KD52BXS |
Engine | 4.9 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / multi-port |
Emissions | Not OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Poor Fuel Economy |
Occurs | Hot, Intermittently |
Trouble Codes
P0052 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit High Voltage |
Message Closed w/FIX
Vehicle Data
1995 Cadillac DeVille
VIN | 1G6KD52BXS |
Engine | 4.9 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / multi-port |
Emissions | Not OBD-II Compliant |
Symptoms | Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Poor Fuel Economy |
Occurs | Hot, Intermittently |
Trouble Codes
P0052 | Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit High Voltage |