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I have a 96 chevy c3500 6.7 turbo diesel runs fine on hwy but while driving in the city it tends to die most times will start right back up but some yimes it takes 5 or 10 min then t will start up then sometimes it will start then die then start then die
Re: I have a 96 chevy c3500 6.7 turbo diesel runs fine on...
YOU COULD HAVE A RESTRICTED AIR FILTER OR FUEL LINE OR FILTER.YOU COULD HAVE DEFECTIVE FUEL SUPPLY PUMP OR DEFECTIVE INJECTION PUMP.YOUR IDLE SPEED TOO LOW OR FAST IDLE INOPERATIVE.
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she could have the same car with a diferent engine also in fla you would use the a/c all the time millage rating on the window sticker is done by perfect driving conditions with out normal stop and go driving
You have a blown turbo.You have to replace the turbo the oil is going into the turbo and being recycled into the engine and being put into the cylinders if you keep driving it the way it is you will eventually blow the engine. It will high RPM and be running on oil it is called a runaway turbo. It will burn every ounce of oil in your engine in a matter of min utes and your engine will seize up before you know it.It is an exspensive part to replace but it is a very easy thing to change even for the most un mechanical person.Make sure you change your oil & filter at the same time because you will probably have diesel fuel in your oil as well.The bearing does not have to be bad in order for the turbo to be bad.
Check the wiring, specifically the plugs. Wires tend to start breaking right where they go into the plug. Also check the ground points. One way to check is get the drive tires off the ground , start and run the truck and get the turbo going. start wiggling the wires if there is a bad or broken one you will find it faster this way. Just remember to support the truck. Be safe.
Randy
Wouldn't happen to be a diesel, would it? If so, do a search on ebay for a remote fsd/pmd module. Fixed my 95 'rado (in less than 20 minutes) with a 6.5 turbo diesel -it would stall wherever and whenever it wanted, without warning.
thats the fuel drain for purging air out of the system after the supply side has been serviced. Don't mess with it, they like to break. Trust me on this!!!
Sounds like you have a problem with the crank sensor.They can have an intermitant fault.like an open curcuit Try changing the sensor.good luck hope that was helpfull.
I could bet 99.9% with out seeing the truck my self that your probelem is the PMD I have two of these trucks and know many people that also have them and the vast majority of problems with the Chevy 6.5L diesels are from the PMD. A must when replacing the PMD is moving it from its place on the injection pump on the top of the engine to a place that dosent get so hot. A good place is the front bumper or skidplace, search for Heath Diesel they have a kit to move it. Its worth every penny.
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