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1995 GMC Jimmy SL 4.3L Poor Idle Quality, Surge, Stall
Posted to GM Driveability on 12/4/2001 6 Replies

Hello all.

This Jimmy runs good when it is cold. As soon as it gets warm enough, it will run fine in park. When you shift it into gear, the engine vaccuum drops off to almost zero, as if there is some severe load somewhere once the trans warms up? It almost a...

6 Replies Received (View Replies)

  Related Documents & Media  1995 GMC Jimmy SL

 
Message Closed w/FIX

car Vehicle Data

1995 GMC Jimmy SL

VIN 1GKDT13W6S
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CPI
EmissionsNot OBD-II Compliant
SymptomsPoor Idle Quality, Surge, Stall
OccursHot, Idle, in Gear

Trouble Codes

P1406EGR Valve Pintle Position Circuit Malfunction
Message Closed w/FIX

car Vehicle Data

1995 GMC Jimmy SL

VIN 1GKDT13W6S
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CPI
EmissionsNot OBD-II Compliant
SymptomsPoor Idle Quality, Surge, Stall
OccursHot, Idle, in Gear

Trouble Codes

P1406EGR Valve Pintle Position Circuit Malfunction