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2003 Buick LeSabre Custom 3.8L Poor Idle Quality
Posted to GM Driveability on 4/30/2011 13 Replies

This car came in with a rough idle and erractic fuel gauge reading. We replace the fuel pump . We swapped the egr valve . Also the tps senor, also the map senor, and the mass airflow meter , t there is 5 volts present in all units. But it keep coming back with...

13 Replies Received (View Replies)

  Related Documents & Media  2003 Buick LeSabre Custom

 
Message Closed w/FIX

car Vehicle Data

2003 Buick LeSabre Custom

VIN 1G4HP52K63
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / IDLE (ROUGH)
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursHot

Trouble Codes

1635
Message Closed w/FIX

car Vehicle Data

2003 Buick LeSabre Custom

VIN 1G4HP52K63
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / IDLE (ROUGH)
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality
OccursHot

Trouble Codes

1635