I got a code out of it
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FTE Leadership Emeritus
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From: Cabot, Arkansas
Generally, P0236 indicates a problem with the MAP sensor.
Possible causes:
damaged MAP hose
low turbo boost
intake manifold or crossover tube hose leaks
damaged MAP sensor
damaged PCM
Possible causes:
damaged MAP hose
low turbo boost
intake manifold or crossover tube hose leaks
damaged MAP sensor
damaged PCM
Tuned
Joined: Dec 2004
Posts: 287
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From: Gunnison, Co.
I always have that code when I pull them. I've replaced the map sensor and checked everything else. Plenty of boost, no cat, large exhaust and good intake. It's still there and there is nothing wrong with the truck. Truck runs fine, I just ignore that code...
Running bad when cold? Could just be you EBPV kicking in, warming the truck and making it feel like you are loosing power.
Running bad when cold? Could just be you EBPV kicking in, warming the truck and making it feel like you are loosing power.
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No its not the epbv its not working very good it just starts to activate then goes back off. and the lack of power is a very bad miss like running on 4 with no power barely will rev to 2000 and it takes 5 seconds to get it there check engine light is on then if its reved up for a bit and you let off it goes out and like you flipped a switch its got it all back and runs like a wild animal again. The problem is only when cold if its been run and is hot its fine. It helps to keep rpms up when cold it dosent get so severe and corrects sooner. I am thinking hpop is going bad maybe. Been thinking of adding some lucas stabilizer is seen how it stopped a small engine from burning oil it sealed it up and it runs like new again. If i do i will have to remove some oil cause i thought it was low and added some now i am just over a tad truck was on slight slope and i forgot and added some
it really dosent use any in 5000 miles between changes and its rotella 15/40
and i keep it plugged in in cold weather.
Rod
it really dosent use any in 5000 miles between changes and its rotella 15/40
and i keep it plugged in in cold weather.
Rod
Playing in the Dirt
Joined: Oct 2005
Posts: 2,302
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From: Southwest Georgia
Rod,
Check this out before adding the Lucas. Just a thought.
http://www.bobistheoilguy.com/images/lucas/lucas.htm
Check this out before adding the Lucas. Just a thought.
http://www.bobistheoilguy.com/images/lucas/lucas.htm
Senior User
Joined: Jul 2005
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From: Woodburn, OR
Originally Posted by tanglewood16137
i got a code finally its P 0236 turbo boost sensor A circuit pref. whats that?
it runs bad when cold and rarely dose it when hot. if i rev it upit will be ok most of the time when it drops back to idle speed.
Rod
it runs bad when cold and rarely dose it when hot. if i rev it upit will be ok most of the time when it drops back to idle speed.
Rod
If it's below freezing I would they changing the oil to 5 - 40 full synthetic.
FTE Leadership Emeritus
Joined: May 2001
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From: Cabot, Arkansas
How long does it run this way? Maybe it is running on 4. If the glow plugs are not working on one side it would run pretty rough until those cylinders warmed up.
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Well it is cold as in been off all night and just is plugged in. and it will run fine at start for a few seconds and then all of a sudden cel comes on and it starts stumbling bad so bad if you floor it it will take 5 or more seconds to get it to rev to 2000 and to moove it in granny is really close to stalling. Today it never did it yesterday it did it 4 times in first 5 mins then it was fine rest of day. that makes it hard to believe its burnt wiring it seems if i start it and keep rpms at 1800 or so for a few mins at start it wont do it.
Rod
Rod
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well normally it smokes a good bit since i have it on the high hp setting on scmt but no real smoke when its missing its very clear like no feul is being delivered. when its normal it smokes alot for first min or 2 till it gets warm but it it hasn't much lately.
Rod
Rod
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last week when it started i changed fuel filter maybe lift pump is bad or hpop is failing it was coming anf going at a whim at times. very eratic 2 days it was flawless and now today it was bad tonight.
Rod
Rod