1999 Chevrolet Silverado 1500. Truck will not when outside temp. is below 15 degrees. Truck will start and shut off. Will keep tring and eventaully start.

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My 2003 chevy Silverado V6 truck turns over but will not start..it acts lik. ... iS IT HARD TO REMOVE AN OIL PAN ON A 4.3 VORTEC S-10 PICK UP TRUCK ...silverado 1500 ext. cab. my problem is while driving on the highway my truck ... mytruck then took off the terminal to see if the alternator was work and now i have no .

Chevy Silverado and GMC Sierra Stalling Problem - Car Forums at ...

forums.edmunds.com > GMC > GMC Sierra 1500

Apr 4, 2008 - 30 posts - ‎22 authors
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I would say it's bad contacts in the ignition switch. Metals change dimensions depending on temperature, looks like 45 degrees is the trick point for whatever is in there. My 04 Silverado 5.3 with 196,000 has the ticking, but it is gone within 10-15 seconds.

Did you replace the temp sensor located on intake.

Wasting your time driving it
Check for codes
Look at all data
Find a problem & repair

Have exhaust gas reading taken in a repair
shop, & use that to diagnose and repair

I have the same problem with my 2000 4.8 . Was told there is 2 coolant sensors. one for computer , one for guage. One for computer acts up and shuts down engine. It is actually telling computer that truck is over heating, truck has a metal protect shut down mode. look into this as i am, maybe we can sort out this problem.

KEEP IT SIMPLE,CHECK THINGS,LIKE,CABLES,ACCERATOR,UMMMMM,EVEN,WATCH THE TRUCK ON A SCANNER,LOOK AT AIR TEMP,AND IAC,AND TPS.GOOD LUCK

First place I'd look is at the coolant temp sensor. If it's out of range the computer will not know it's cold out and therefore will not demand the amount of fuel necessary for a cold start.

Main Bearing Cap Bolt

4.3L
Step 1 15 (20)
Step 2 Additional 73 Degrees

5.0L & 5.7L
2-Bolt Main 77 (105)
4-Bolt Main Inner 77 (105)
4-Bolt Main Outer 67 (90)

4.8L, 5.3L and 6.0L
Main Bearing Cap Bolt/Stud

Inner
Step 1 15 (20)
Step 2 Additional 80 Degrees

Side 18 (25)

Outer (Stud)
Step 1 15 (20)
Step 2 Additional 53 Degrees

should be fine as long as the gage goes up and down and you get heat it should be fine make sure you consider the outside temp. as the engine starts it will heat up get really hot the the thermostate opens and the gage will fall and should but not always stay low it could just be the ip gage.