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Old Aug 3, 2016 | 02:53 PM
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Steve.in.Roanoke's Avatar
Steve.in.Roanoke
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'00 w/ 60k miles.

I have searched for several hours, so would appreciate any guidance or direction with my challenge.

Engine cranks fine, but will not fire. Fuel flow checked & confirmed.

Had it towed to the garage. After checking things out it suddenly started. Now they can't get it to not start.

There are no codes.

Engine cut off a couple of weeks ago during normal driving, but restarted immediately.

Many Thanks for all assistance...
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Old Aug 3, 2016 | 03:25 PM
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Bill Curlee's Avatar
Bill Curlee
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From: Anthony TX
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Steve

Its difficult to pin point with out it being in the failure mode BUT,,,,,,,,,,,,,,,,,,, Here are some things to do to HELP pin point the issue.

First things first! Check your DTCs. If there are a TON of old DTCs, clear them. Then report what if any come back.

When the engine DIES or it when it CRANKS but doesn't RUN, "WITH OUT TURNING THE IGNITION SWITCH OT OFF,,,, READ THE DTCs" Report ALL of the DTCs and messages that come up.

If there are any message in the DIC, just press reset till they go away!

If I had to GUESS,,, The first thing I would suspect would be a faulty IGNITION SWITCH! Over time the high current contacts inside the switch get carbonized and burnt and can cause low voltage issues on the HOT & RUN battery buss.. Low voltages cause the modules to turn OFF until it gets the correct voltage again.

Bill

Last edited by Bill Curlee; Aug 3, 2016 at 03:26 PM.
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