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2001 Chevrolet Blazer LS 4.3L Poor Idle Quality, Hesitation, Surge
Posted to GM Driveability on 11/9/2007 13 Replies

vehicle came in with bad hesitation under wot. let sit over night and had the same problem when it was cold as it warmed up became a little better ..did fuel pressure check at the port 50-55 key on but went quickly to zero ..isolated fuel pump lines and had 70...

13 Replies Received (View Replies)

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car Vehicle Data

2001 Chevrolet Blazer LS

VIN 1GNDT13W81
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Surge
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Blazer LS

VIN 1GNDT13W81
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Hesitation, Surge