New chip??? - Ford Powerstroke Diesel Forum
 
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post #1 of 6 Old 10-27-2013, 10:47 AM Thread Starter
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New chip???

About a week ago i installed a 6 pos chip tuned by tony wildman and i have a few questions about it. the day that i installed the chip i took the truck around town just to test it out, I left the chip in stock position until everything was warmed up and then i took it out of town a ways so that i could test out the street tune, well when i really got the truck going it did a couple of odd things, first when it went to shift into overdrive right before the shift and right after the rpm's started to jump back and forth between about 3200 and 2200. and i does that everytime i have really gotten on it either in the daily driver tune or the street tune. the other probem i have is that it also started throwing to codes whenever i accelerate a little harder than normal. the codes are P1249 and P1211. has anyone else ever experianced these problems? any help is greatly apprecitated.

Early 1999 F-250 CCSB Automatic 7.3L POWERSTROKE


1982 GMC Sierra Classic 1500 6.2L diesel

1977 Dodge Power Wagon 318ci
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post #2 of 6 Old 10-27-2013, 11:06 AM
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Iirc them codes are wastgate peformance trouble code and over boosting code- I'm not 100%. But if you don't have a boost fooler then you'll get them codes everytime you get on it


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2000 F250 7.3L CCSB 2WD
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post #3 of 6 Old 10-27-2013, 01:05 PM
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p1211 is injection pressure above/below desired.
means your hpop isnt keeping up with what the tune is calling for.
might need a new icp or ipr if they are worn out and not functioning correctly.
i had a bad ipr and when i swappped it i noticed a huge performance improvement.

if your setting an SES light thats probably due to overboost.
the chip should have a boost fooler built in so it wont defuel but will still set the SES light.


try unplugging the red line to the wastegate and capping it. also you can tighten the actual wastegate rod as well, but you have to remove the turbo to do that.

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post #4 of 6 Old 10-27-2013, 02:13 PM Thread Starter
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how would i go about testing the ipr and icp? and does anyone have any guesses on the jumping rpm? thats the part that worried me most.

Early 1999 F-250 CCSB Automatic 7.3L POWERSTROKE


1982 GMC Sierra Classic 1500 6.2L diesel

1977 Dodge Power Wagon 318ci
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post #5 of 6 Old 10-27-2013, 03:08 PM
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when getting on it in more powerful tunes the rpm jumping is either slipping tires or slipping trans, from my experience anyways.

2000 Ford F250 7.3 4x4 158k miles. MODS: Beans Tunes, 4" exhaust, custom twin intake, boost fooler, ported housing w/ Clays 11 blade billet compressor wheel, foil delete, glowshifts 3 in 1 gauge, AIH delete, bellowed uppies
Future mods: banks intercooler, coolingmist, 6.0 trans cooler, BWD blue powder coated valve covers, BWD coated exhaust manifolds.
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post #6 of 6 Old 10-28-2013, 09:26 AM Thread Starter
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I had kinda thought it could be the trans slipping, i hope its not

Early 1999 F-250 CCSB Automatic 7.3L POWERSTROKE


1982 GMC Sierra Classic 1500 6.2L diesel

1977 Dodge Power Wagon 318ci
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