What could cause the car to die cruising at 60 mph and not crank over?

Tiny
JOSETTE MACE
  • MEMBER
  • 2003 CHEVROLET MONTE CARLO
  • 174,000 MILES
Able to crank jumping the starter
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Tuesday, May 29th, 2012 AT 7:49 PM

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Tiny
CARADIODOC
  • EXPERT
If you're saying you can run a jumper wire down to the starter and it cranks, that proves the battery is being charged and the generator is working. If all the electrical stuff inside the car is dead, the first suspect would be where the smaller positive battery cable bolts to the under-hood fuse box. Check that it is clean and tight.
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Tuesday, May 29th, 2012 AT 7:56 PM
Tiny
JOSETTE MACE
  • MEMBER
We have lights in and out side of the car everything else works
so what should we check next
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Tuesday, May 29th, 2012 AT 8:00 PM
Tiny
CARADIODOC
  • EXPERT
You'll have to look at the symptoms to figure out where to go next. If the engine doesn't crank with the ignition switch, the circuit feeding the switch is the place to start. If it DOES crank from the ignition switch but doesn't start or run, usually it's a sensor problem. Having the diagnostic fault codes read is the place to start but you would need a scanner or code reader for that, or if you can tow it to an auto parts store, many of them will read engine codes for you for free. Fault codes never say to replace parts; they only indicate the circuit or system that needs further diagnosis. The sensor will be bad about 50 percent of the time. Wiring and connector problems account for the other 50 percent of the problems.

General Motors is extremely selfish about allowing independent shops to work on their products, however, the government has mandated that anyone be allowed to work on emissions-related stuff, and that includes anything to do with the Engine Computer.
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Tuesday, May 29th, 2012 AT 8:58 PM

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