20 Most Recent 1988 Chevrolet Cargo Questions & Answers

Dieseling usually starts with an engine timing problem, but can be caused by the throttle not closing properly. High idle can also be caused by a throttle control problem, and if you have a fuel injected version, also check the IAC (idle air control) motor.

to relieve the brake pressure to move the vehicle , open the bleeder ******* at each wheel for a half second but you will have to replace the failed hydro booster unit or you will get the same problem back or have no brake assist during braking

call a 24 hour battery shop and fit a new battery

wiring diagram for what system ?

Can't remember for sure on that model, but a lot of winnebago models had the dash that you push up at front area, and the entire top would lift and open up toward windshield. Just a thought.

check fuel pressure.

faulty gage,replace

Most electric pumps have a low hum to them. There are some that pulse, but I have never seen one just click. You may have a bad pump. Good Luck

You can remove your valve covers to inspect the rocker arms, and push rods. They should be all in place and not too loose. If you find nothing out of place on the top side of the engine, you will have to look to the lower end. From there, you may have to remove the engine to inspect the rods; I doubt you can remove the oil pan while the engine is in the vehicle.

Try to get it running a bit to warm up the exhaust. Take a point and shoot thermometer and take the temp of the cat. If temps exceed 400 degrees I would start to suspect a plugged cat.

could be the float in the tank might have a hole in it and is stuck

there is probably something foreign blocking the channel, try spraying it with some type of lubricant.

Hello jamlee57,

The spark plug wires could be bad or the distributor cap or even the rotor could be bad.

Good luck,
netvan