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2001 GMC Sonoma SL 4.3L Poor Idle Quality, Surge, MIL Lamp on
Posted to GM Driveability on 6/18/2007 6 Replies

this jimmy came in for low/surge idel,check engine lt stall runs rough,fuel pressure a little low,replace pump and now ok. tps code for low reading,replace tps and code returned as soon as engine warmed [...] tps signal with solus,steady .49 volts untill warm ...

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Message Closed w/FIX

car Vehicle Data

2001 GMC Sonoma SL

VIN 1GTDT19W71
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / vortec
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, MIL Lamp On
OccursHot, Intermittently
Message Closed w/FIX

car Vehicle Data

2001 GMC Sonoma SL

VIN 1GTDT19W71
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / vortec
EmissionsOBD-II Compliant
SymptomsPoor Idle Quality, Surge, MIL Lamp On
OccursHot, Intermittently