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1991 Chevrolet S10 Blazer 4.3L Poor Idle Quality
Posted to GM Driveability on 4/25/2000

hey gang i have a head scratcher. the truck idles at 1000rpm hot or cold, when put in gear it drops to about 700 then steadily climbs back to 1000. replaced iac,base gasket,map,egr gasket, computer and prom. fuel pres. is 12 psi, tps- .60, iac-48 (in park,...

  Related Documents & Media  1991 Chevrolet S10 Blazer

 
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet S10 Blazer

VIN 1GCCS14Z2M
Engine4.3 L / 6 cyl
SymptomsPoor Idle Quality
OccursAlways, Idle
Misc.2 Wd P/U
Message Closed w/FIX

car Vehicle Data

1991 Chevrolet S10 Blazer

VIN 1GCCS14Z2M
Engine4.3 L / 6 cyl
SymptomsPoor Idle Quality
OccursAlways, Idle
Misc.2 Wd P/U