My 99 gmc serra starts but wont stay running. I get in the truck to leave and I get about 5 miles up the road and then it just dies. once it dies it wont start up again. I got it to my house and the next day it started up again and then died. what could be the problem?
SOURCE: truck starts but won't stay running
You may have a problem with the contacts in the ignition switch (not key part), when you crank the engine a signal is sent to the fuel pump to run, when it starts and you let off the key another set of contacts keeps the pump getting power Through a relay), these are known as crank and run modes.
SOURCE: truck starts, dies. truck runs good some days,bad the next
I had the same problem with My 1990 F150 300 6cylinder 4x4.....I cahnged all the same things you did, finally I sprayed a can of Gumout through the throttle body and it worked and ran great. Now I add fuel injector cleaner to the gas and a regular clean with the gumout and the problem has'nt come back. Good Luck to you and hope it works!
SOURCE: 99 suburban wont stay on runs for 1 or 2 seconds then dies
have you checked the electrical portion of the egnition yet?
SOURCE: 2002 GMC 2500HD 8.1L
Sounds like the cam positioning sensor. I have a 2002 GMC 2500HD 8.1L and this happened to me. Hope this helps.
SOURCE: car dies starts back up runs then dies again
check your ignition coil for cracks. i had the same problem. when the coil heats up it expands thus causig a break in the windings. it cost me $300 to find this out.
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