1990 Buick Lesabre engine dies

Tiny
JDPOWER9600
  • MEMBER
  • 1990 BUICK LESABRE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 156,000 MILES
When it is hot out the car at random times will die and just crank. Maybe a half hour later it will start right up and run fine. The car does not get hot, but it only does this when it is hot out side. The only code I get is 41. Do you have any ideas on this issue.
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Sunday, February 24th, 2008 AT 1:51 PM

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Tiny
MASTERTECHTIM
  • MEMBER
Code 41 is cam sensor. Most likely your problem is a faulty crank sensor. I would not hesitate to replace this if you came into my garage with this complaint. Also must check cam sensor and cam magnet on timing gear.
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Sunday, February 24th, 2008 AT 2:06 PM
Tiny
MR TOM
  • MEMBER
Just as others said replace crank sensor. This will require removing the balancer to replace.
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Sunday, February 20th, 2011 AT 3:36 PM
Tiny
RASMATAZ
  • MEMBER
Next time it refuses to start don't wait for it to make up its mind-do below immediately to determine if its fuel or spark problem

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 3/16 away from ground-have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, Do you hear the fuel pump come On when you turn key on? If not check fuel pump fuse and fuel pump relay if so, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, coil's resistances, cap and rotor, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it and keep testing
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Friday, March 11th, 2011 AT 9:45 PM

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