20 Most Recent 1992 Chevrolet K1500 - Page 8 Questions & Answers

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Make sure the idle screw was not turnned causeing tps sensor to read over the spec limit, the next then is to make sure the idle air control valve is working , a bad valve will cause this problem and last is the stepper motor that controls the idle. some of these around this year used steeper idle control motors instead of idle air control valves and in turn the stepper motor is bad it will hold the throtle plate open to much causing the tps reading to be wrong triggering the engine light to come on. the steeper motor will be boltted to side of the throtlebody and theres a small arm to the throtle linkage. i will enclose a stepper motor picture and an idle air valve to show you, but this sounds like the tps is out of range due to this. the last thing is to make sure there are no vacuum leaks, spray crab cleaner around throtlebody base gasket and also the intake mounting gasket and see if the idle changes is so theres a vac leak in that area. good day. okay just did a little research and this truck does have a idle air control valve, the picture is encolsed and is screwed into throtlebody, check that and for vacuum leaks, make sure tps is good sometime it will test good when testing and go bad when it wants, you could have a bad tps and idle air control valve also.

if it just clicks when turning to start. if battery is ok. it is the starter solinoid on starter, that heats up then it will not start till it gets cool again. but if you can get a starter at a reasonable cost. go for it. good-day ! The symptom of a bad solenoid includes a rapid clicking sound indicating it is receiving too little power from the car battery. This lack of power may be from a low battery or corrosion of the battery cables causing the engine to not start. Corrosion is also possible in the internal solenoid connections, or a blocked plunger may lead to the solenoid being flooded with power and burning out the internal connections to damage the unit. Clicking on attempted ignition should be a warning to have the starter system checked. It can easily be located on any vehicle by following the path of the positive red cable from the battery to its direct connection to the solenoid. if you engage the ignition switch and the engine does not turn but instead emits a repetitive clicking sound, your solenoid is stuck open or closed and will need to be replaced.

make sure the dimmer switch is not in the off position

It sounds like your heater core is stopped up. try flushing it out, you can use a water hose. and if you cant get it to clean out then you will need to change the heater core.

Usually they have one bolt holding them in, it is at the base of the distributor. Take off the cap and undo the bolt and lift it out.
You should not be able to put a distributor in wrong as they will only fit in one position. The base of the drive shaft has an offset connection. Make sure you mark the timing position before you take it out.

The clicking is from your starter solenoid, trying to get the starter working. If your electrical connections to the starter are tight and clean, then the starter needs removing and testing.

First thing to check is the size of the pulley on the alternator. If you are replaceing the belt check the length. If the pulley and belt are the same size/length as the originals then you probably need to rotate the tensioner further or check the belt routing and insure that the belt is in the grooves on all the pulleys.

THE Brake light switch will be on the brake pedal up under dash where rod going to master cylinder hooks to pedal.

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Check the air gap on the crank shaft sensor, if it does not have a .50 gap it will not send signal to fire coil pack repy to this post if you need more help.

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Chilton.com
for auto service manuals.

most often it is the fuel level sender, this is a variable resistor attached to a float inside the gas tank. so before you start pulling out the dashboard, drop the tank and take a look at the sender. on a car that old often the float has become corrupted and no longer floats on top the gas. before you drop the tank and pull out the sender, make sure you can buy a new replacement for it. there is generally a large O-ring around the hole it inserts in, get your hands on one of those too before you begin. the gas tank hanger straps may be too old to come apart and reassemble too so have a contingency plan for that. if the fuel pump is in the tank with the sender, there is some chance the sender was not reconnected when that was replaced if the problem arose after the pump replacement.

good luck

The best way to get a wiring diagram for your truck is to buy a Haynes manual (about $25) for your truck at the auto part store. It'll give you a lot more than just the wiring diagram.

check your catalytic converter