20 Most Recent 1990 Chevrolet K2500 - Page 8 Questions & Answers

Most of the time ,you have to buy a new throttle body to correct the problem.Check your fuel pump pressure to start with.If this is ok,then check the E G R valve ,if it is sticking open,or fluttering with the vacuum of the engine then the E G R solenoid needs to be replaced.

When a fuse blows, you get out wiring diagrams,to see what in that circuit would be the most likelyto fail & cause a fuse to blowYou do not replace the fuse as you should knowit will blow again ,or your going to need help if you replace it one time

Do you have power in and out of the brake light switch when it is depressed ?

-Check spark and fuel.mai

Not without having the computer scanned for trouble codes. If it is OBD 1 you can do it yourself with a paper clip. There is a plug under the dash you jumper to make the light flash the codes. If it is OBD2 you have to use a scanner to read the codes.You can research "check GM codes" online for the procedure.

look under bumper over by frame and check wire harness connections going to left side lots of crud under there usually a broken or exposed wire is problem

Sorry to here that, I think you have the wrong category.

hi this has something to do with the transmission, you have either a short on the positive side of the transmission range sensor or the sensor is u/s or becoming that way, your best bet would be to take it off and test for a short, or see if a wire has broken...hope this helps

Was their any shims when you took off the first one, chevy's have shims to put the starter in the right place.

If it is an automatic trans, the idle air control valve should allow extra air into the intake to bump up the idle speed in drive.If that is not happening, you could have dirt in the throttle body, or a faulty control valve.

check for loss ball joints jack it up from under the lower control arm and put a pry bar under the tire and pull up on it while watching for play in the joints