Coasting cammed truck shuts down
Feb 16, 2018 | 02:36 PM
#1
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Coasting cammed truck shuts down
I cammed my truck less than a year ago, but recently it has been shuting down while coasting, typically between 15-25 mph, I am running the stock converter and never had any problems until recently.
It has shutdown 3 times already while in traffic so thats not good safety wise . everything works prefectly fine in my truck other than it shuting down.
Could it be the tune?? Any suggestions??
It has shutdown 3 times already while in traffic so thats not good safety wise . everything works prefectly fine in my truck other than it shuting down.
Could it be the tune?? Any suggestions??
Feb 17, 2018 | 11:06 AM
#4
Get some one who can read your MAF Hz
and check the fuel pump output.
My Tahoe would do this kinda thing stock and replacing the MAF and pump fixed everything, but verify before you buy parts on my account
and check the fuel pump output.
My Tahoe would do this kinda thing stock and replacing the MAF and pump fixed everything, but verify before you buy parts on my account
Feb 17, 2018 | 05:30 PM
#5
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Truck has been tuned previously but i think i found the problem, I should have cleaned the throttle body before i got it tuned. I cleaned it today and damn it was dirty but i noticed that the throttle would stop at a certain point due to all the crud and dirt, once i cleaned it, i could push the throttle all the way back but it still stayed in the same position before i had cleaned the throttle, problem is that it does not close completely it stays open which causes my truck to rev to 2k in park or neutral, hopefully a retune can fix the issue
Feb 17, 2018 | 05:42 PM
#6
A "retune" is not going to make the throttle blade stop sticking in place.
A relearn of the throttle may help but if it still sticks in place you may need a new throttle body. On anything GEN 4 related I never push the blade open with my hands to prevent the need to relearn the throttle body.
Also being DBW, it will never fully close when running because there is no IAC. The blade is the IAC.
A relearn of the throttle may help but if it still sticks in place you may need a new throttle body. On anything GEN 4 related I never push the blade open with my hands to prevent the need to relearn the throttle body.
Also being DBW, it will never fully close when running because there is no IAC. The blade is the IAC.
Feb 17, 2018 | 09:11 PM
#7
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A "retune" is not going to make the throttle blade stop sticking in place.
A relearn of the throttle may help but if it still sticks in place you may need a new throttle body. On anything GEN 4 related I never push the blade open with my hands to prevent the need to relearn the throttle body.
Also being DBW, it will never fully close when running because there is no IAC. The blade is the IAC.
A relearn of the throttle may help but if it still sticks in place you may need a new throttle body. On anything GEN 4 related I never push the blade open with my hands to prevent the need to relearn the throttle body.
Also being DBW, it will never fully close when running because there is no IAC. The blade is the IAC.
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