2002 Chevy Silverado won't stay running

10

Asked by Nov 23, 2016 at 03:20 PM about the 2002 Chevrolet Silverado 1500

Question type: Maintenance & Repair

It started running bad ( cutting out while driving,
idling rough) finally died and would not start again.
I have replaced crank sensor pick up coil, ECM,
ignition module everything I can think of...it has
spark and fuel pressure

16 Answers

775

Water in gas.this time of year.pour dry gas a full tank oh high octane gas

6,795

Check for codes, you may have a plugged catalytic converter

775

Carb filter. Dry gas. Then high octane gas.few drop down the carb

775

Fan in heater under dash

775

Carb filter. High ocrane gas

10

After taking to Chevy place to have knew computer programmed I am now getting a u8100 code and my brake and abs light is on. Was running for a day then completely stopped again.

10

Replaced catalytic converter

6,795

Are you sure of that code U8100 and not u1800?

10

Yes accident sorry...typing for my husband while he is under the hood

6,795

You need to go back to the shop that programmed the computer cause that code is for diesel engines, It's looking for an FICM (Fuel Injector Control Module) which your truck does not have

10

It was the Chevy dealership

6,795

Let them know

10

Sorry U1000 code

6,795

Ok that sounds more related to your truck. U1000 is no communication between PCM (main computer) to BCM (Body control Module) Check for loose or corroded ground connectors there's a green wire between the 2 that I read it goes bad. If not you need to have the BCM checked

Best Answer
10

Could a bad BCM stop it from firing and and stop the fuel pump relay from priming

10

Pulled wiring harnesses yesterday someone had pinched wires between transmission, replaced those wires it started working. I would crank it then I would give it gas, it would die. Now it ain't firing at all. I'm at a loss and in usually a pretty good diagnostic guy.

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