
2001 Cadillac DeVille 4.6L Poor Idle Quality, Surge, Stall, MIL Lamp on
This caddy has a rough, surging idle....constanly going from 500 to 650 rpm. It has codes 171 and 174 saying it is too lean. I have sprayed berryman all over it & found no vac. leaks, removed & plugged the egr, no change. .....EGO sensors all reading very low ...
FIX posted 10/18/2005
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Message Closed w/FIX
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VIN | 1G6KD54YX1 |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, Stall, MIL Lamp On |
Occurs | Idle, Intermittently |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |
Message Closed w/FIX
Vehicle Data
2001 Cadillac DeVille
VIN | 1G6KD54YX1 |
Engine | 4.6 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / SEFI |
Emissions | OBD-II Compliant |
Symptoms | Poor Idle Quality, Surge, Stall, MIL Lamp On |
Occurs | Idle, Intermittently |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |