POWERLESS when cold
01-19-2007, 09:57 PM
#1
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POWERLESS when cold
I know most small engines are, but it has gotten worse lately. The thing strains hard when cold and even after the guage shows normal op temp, it takes a good 20min before power returns to normal. I'd swear it gets back to normal faster if I happen to turn it off (like after a short trip) then back on only 10min after cold startup. This is all much more drastic lately. The truck is in perfect tune and has new plugs/cap/rotor. Almost feels like the valve near the MAF that stays shut for warmup is sticking closed after its up to temp (???) mileage has gone to shhh too
Last edited by LS1Steve; 01-19-2007 at 10:07 PM.
01-20-2007, 02:48 PM
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No power when cold
I know most small engines are, but it has gotten worse lately. The thing strains hard when cold and even after the guage shows normal op temp, it takes a good 20min before power returns to normal. I'd swear it gets back to normal faster if I happen to turn it off (like after a short trip) then back on only 10min after cold startup. This is all much more drastic lately. The truck is in perfect tune and has new plugs/cap/rotor. Almost feels like the valve near the MAF that stays shut for warmup is sticking closed after its up to temp (???) mileage has gone to shhh too
The check engine light is on, I just need to pull the code. Any thoughts??
Last edited by Mudlover; 01-20-2007 at 03:00 PM.
01-21-2007, 08:32 AM
#6
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Pull the code and look it up:
http://personal.utulsa.edu/~nathan-b...85diagnosi.pdf
http://personal.utulsa.edu/~nathan-b...85diagnosi.pdf
01-21-2007, 04:11 PM
#7
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I always warm my engine up for a minimum of 10 minutes before I go anywhere when it's cold. Summer I go 5 minutes. Old habits from the Hummin Cummins days.
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