20 Most Recent 1991 Chevrolet S-10 Blazer - Page 3 Questions & Answers

you try filter down underneath in frame rail ?

run fault codes to determine why the CPU placed the engine in limp mode. Check oil and coolant levels.

auto or stick

check 4wd fuses .. check for power to solenoid..

Either you have a voltage drop to the starter, OR the starter needs to be shimmed as it might be to tight against the Ring Gear when engaging.

In the bottom of the motor under the oil pan. The motor has to be removed to replace the oil pump because the oil pan won't clear the crossmember

you will know if you are in 4wd if you take it on a dry road. you will feel it fighting you when you turn sharp.. as for the blinking lights . that's your truck saying..........please take me in for some servise

4 cyl or 6 cyl?

Check the base gasket on the throttle body, very common to tear. If you open the blades you may see the torn gasket. Artificially enrichen the mixture while trying to idle, if that works, thats it...

no need to take of the steering wheel.. locate the old horn.. then remove it.then put the new horn. if the old horn has only1 wire its ok. then the new horn has 2 wire. just body ground the 1 wire[no polarity] choose any of the 2. to the body gound or join the brack of the horn together.then the other to the original wire of the old horn

Well you need the computer to power the ignition and fuel injectors.What are you trying to accomplish ?

Not sure I follow your question. The horn pad grounds the horn relay under the hood, and the wiring is part of the turn signal switch harness.What do you need to know ?

no there is no problem topping up with water but do not add to much as then the anti freeze stops working as well. and if you are adding coolant or water often then you have another problem

check for loose steering box mounting bolts on the chassis. Check that the top bearing in the steering box is ok as if it is shot the shaft will move up and down rather than push or pull the steering nut in the box.

Could be oil leaking onto the brake pads or shoes.

The problem is that the control is vacum operated,so either the rotary vacum switch is bad or you have a vacum leak under the hood or under the dash area.