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1998 Cadillac Seville SLS 4.6L EGR Decel test
Posted to GM Driveability on 2/25/2016 9 Replies

Hello Fellow Techs,

We received this low mileage Caddy with a failed Indiana OBD 2 test. Only code on form was P0171 (Bank 1 lean), We scanned codes and found 6 codes, engine light on and all monitors run. We started with fuel pressure 40 psi at idle and smok...

9 Replies Received (View Replies)

  Related Documents & Media  1998 Cadillac Seville SLS

 
Message Closed w/FIX

car Vehicle Data

1998 Cadillac Seville SLS

VIN 1G6KS54Y2W
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsEGR Decel Test
OccursAlways

Trouble Codes

P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction
P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
P1520Park Neutral Position Switch Circuit Malfunction
P1611Sensor Supply 1 Voltage Too High
Message Closed w/FIX

car Vehicle Data

1998 Cadillac Seville SLS

VIN 1G6KS54Y2W
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsEGR Decel Test
OccursAlways

Trouble Codes

P0155Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction
P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
P1520Park Neutral Position Switch Circuit Malfunction
P1611Sensor Supply 1 Voltage Too High