20 Most Recent 1997 GMC Sonoma - Page 3 Questions & Answers

It does not have one, and if it did it would not make it blow warm air, just less air. Have the freon charge checked in the AC system for proper pressures, would be a good place to start, & check to see if the AC compressor is kicking in. I hope this helps.

move the steering left/ right and you should take of the pin that is holding the key in

shouldnt hurt it.

Here is the diagram courtesy of AutoZone.com

code p0401 refers to exhaust gas recirculation(EGR) system-insufficient flow detected--- Causes ---hose leak/blockage, basic setting not carried out( if applicable)wiring--EGR valve/solenoid---ECM I would check the EGR valve solenoid first. Replace the faulty units with genuine one because most aftermarket units are not set for OEM cpu units and are not completelycompatible.

You would check for spark at the plugs and the fuel pressure at the injectors. There should be a port on the fuel rail where you connect a fuel pressure gauge.You can also try spraying carb cleaner into the intake to substitute the injector fuel supply.

best thing to do is take it to an parts store like advanced or auto zone they will put it on a scanner usaully for free

check brake fluid for the brake and for the abs might be a short curcit

may be you should make a diagnostic and you can do it in a garage or you can do it by yourself if you want to do it by yourself you need some tools and you can find some good ones here: diyobd2.fr

you have upper control arm bushings and lower control arm bushings, a total of four on each side. while doing this it would be the best time to do ball joints tie rod ends etc... save this for a weekend project it is time consuming. GOOD LUCK!

Check ALL of your pulleys. Look closely at the tensioner pulleys with the belt off. If you feel any slack at all, replace it soon.

Do you have spark to the plugs ?

Click here to see how to replace the thermostat.

Have you checked the fuel pressure at the injectors ?Are the plugs getting spark ?

It's the clutch that is slipping. New clutch, pressure plate, and throw-out bearing is what's needed-usually comes in a package as a full clutch replacement.

the drive with the square around it is better in gas milage. The plain d is great when the roads are wet or slippery