Engine stalls while driving

PEAR69

MECHANIC
1,482 POSTS

What type of fuel injection is on the engine - TBI or CPFI? Take the air cleaner cover off and look down in the throttle body. If you see one or two egg shaped things before the butterfly valve - these are the injectors and it is a TBI. What is the fuel pressure? Pull the plugs and look at them let me know what each one looks like - include the cylinder number of each plug.

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Thursday, June 25th, 2020 AT 7:22 PM (Merged)

MEMBER
1 POST
1995 CHEVROLET TAHOE
18,000 MILES

After heavy rain my 1995 Chevy Tahoe - lights outside and inside get very dim then they and the stereo turns off. Yet, the engine is still running. I was going down hill but was fine no problems once the road was flat.

This happen in heavy rain twice. Truck stalled once before this happen I pushed on the gas pedal truck did not move I could hear the truck and the gas voom as I pushed, but truck did not move for about 45 secs. I pushed on the gas finally the truck took off. This morning going down the hill the truck completely died out. After 4mins. It stated again now is running fine like nothing happened.

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Thursday, June 25th, 2020 AT 7:22 PM (Merged)

PROMECHANIC

MECHANIC
536 POSTS

The first test I would do is get a garden hose and spray water on different parts of the engine compartment (start with a little then go more) and wait until the problem happens, then check all the places that you sprayed the water.

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Thursday, June 25th, 2020 AT 7:22 PM (Merged)