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Possible causes
- Malfunction of the oxygen sensor
- Malfunction of Temp-sender unit (watertemp and airtemp) Note that there are two sending units for the watertemp, one is for the gauge you see on instrument cluster, the other one goes directly to ECM.
- fuel injectors clogged. Try some of the fuel-additives that cleans injector nozzles, RedLine has one that I know of it's called SI-1. Ask your car-parts dealer or shop.
- What is the condition of your ignition parts ?
- Are the fuel-lines leakproof ?
What else can I help you with?
How do you replace outside window weather strip 1991 Chevy s10?
1991 Chevy s10 how to replace outside window weather strip
Where is iat sensor on a 1991 Chevy s10?
If it is a Vortec it will be inside the tube running from the intake to the air filter it is a rubber hose with this stuck in it!
Will a 1991 Chevy blazer transmition fit in a 1995 Chevy s10?
No it will not SORRY.
Does 1995 Chevy S10 have daytime running lights?
No.
What is the wheel bolt pattern on a 1991 Chevy S10?
5x4.75
Does a 1991 Chevy S10 have a clutch cable or is it hydraulic?
Hydraulic.
Does a 1991 Chevy s10 pickup have an inertia switch?
No it does not. Chevy did not use them in that year on there trucks.
Does a 1989 Chevy s10 have daytime running lights?
NO , Not from the factory.
Where is the fuel pump on a 1991 Chevy s10 blazer?
in the gas tank
Where is the fuel pressure regulator on 1991 Chevy s10?
It is in the throttle body.
Help cannot unlock the sterring wheel car 1991 s10 blazer?
Cannot unlock steering wheel on 1991 S10 Chevy blazer.
Wiring schematic for O2 sensor on 1991 s10 Chevy blazer?
Haynes makes a manual with the wiring schematic for the O2 sensor on a 1991 Chevy Blazer S10. The manual can be found at most book stores.
