At High Altitude My Truck Has No Power And Blows Blue Smoke
I went up to play in the snow and the truck ran fine until i parked. After an hour or so we loaded up and went to leave and the truck would choke out and miss under a slight load. It idled fine and would choke out in neutral around 1400 rpms. It also was blowing out blue smoke. I idled it down the mountain and ran like normal once i got around 4600 feet. Im guessing i was around 8000ft or so ill check.
So what causes this? |
my truck has no issues at elevation. How cold was it? maybe you had a fuel issue
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elevation is a 3% per thousand loss so 8k elevation would be a 24% loss
anyway on a naturaly asperated engine that is.................I think with the turbo this factor may be different I know my truck runs alot better at sea level |
A buddy of mine had the same prob, the air filter was plugged up pulled it and she ran fine, just a suggestion.
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It was about 70 degrees and 3 feet of snow. I was in a sleeveless shirt riding (getting stuck) my quad. And the air filter is relativley new AFE.
Elevation was 9000ish and i live at 4600. Also how do you check for codes by keying the ignition? I seen it done but cant figure it out. |
Originally Posted by shilo
(Post 148982)
It was about 70 degrees and 3 feet of snow. I was in a sleeveless shirt riding (getting stuck) my quad. And the air filter is relativley new AFE.
Elevation was 9000ish and i live at 4600. Also how do you check for codes by keying the ignition? I seen it done but cant figure it out. OBD II Error Codes |
I second the air filter... running backroads after a fresh snowfall, it sucks all that moisture in and runs poorly
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Originally Posted by RedRammer
(Post 149253)
I second the air filter... running backroads after a fresh snowfall, it sucks all that moisture in and runs poorly
http://i143.photobucket.com/albums/r...r/DSCF2525.jpg http://i143.photobucket.com/albums/r...r/DSCF2531.jpg If so then the day at -16*F at about 4,000*F I would of been screwed... Then going towards McCall, ID is 5,200 and Brundage Ski Hill is 6,500 Ft... Never had a problems with snow or altitude... I would say the MAP/IAT sensor(s) might be screwy... MAP sensor watches atomosphere pressures (PSIA) and IAT sensor watches the manifold temp. Highier the pressure the MAP sees the more fuel. But IAT the colder the air the more timing and fuel will be delievered... So if 1 or both sensors are off then it might play hell in the cold and altitude... |
I was close to 10000 feet. but it was probably 70 degrees out! And the road was dry pavement. The truck didnt touch snow. Just three feet of snow off the road with a 5 foot snowbank.
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