2003 diesel shuts down at 192

lockrob

Member
2003 2500 diesel
Drives fine when cool
At about 192 degrees it shuts down and will
Not restart till it cools down.
Injector pressure shuts off.
Replaced pump same issue.
Any one seen this yet?
 

surlyoldbill

New member
Try leak off test. You may have bad injectors.
 

lockrob

Member
Only code is for MAS that was there before
Problem started.
Truck runs fine at startup dies when temp gets
Above 192.
Starts bk up after cool down.
Not my trk trying to help a friend.
 

autostaretx

Erratic Member
Well, what happens at (or near) 192F?

The thermostat opens to allow coolant flow. (should be circa 180F)

Do dash lights (including Chk Engine) come on when it quits? Do they all go dark?

--dick
 

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