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2001 Chevrolet Blazer LS 4.3L Poor Fuel Economy, MIL Lamp on
Posted to GM Driveability on 8/1/2005 16 Replies

This thing came in with a complaint of MIL on and poor fuel economy...Scanner revealed bank 1 and bank 2 rich codes.

Long term fuel trim was at -12 to -14.

Tested fuel pressure, was @62 psi but did not hold...would drop down to 25psi within a matter of one m...

16 Replies Received (View Replies)

  Related Documents & Media  2001 Chevrolet Blazer LS

 
Message Closed w/Summary

car Vehicle Data

2001 Chevrolet Blazer LS

VIN 1GNCS13W51
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SFI
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy, MIL Lamp On
OccursAlways
Message Closed w/Summary

car Vehicle Data

2001 Chevrolet Blazer LS

VIN 1GNCS13W51
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SFI
EmissionsOBD-II Compliant
SymptomsPoor Fuel Economy, MIL Lamp On
OccursAlways