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BMW 3-Series (E90 E92) Forum
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Engine Malfunction, Reduced Power!
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04-09-2016, 07:44 PM | #1 |
Ricebanger
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Engine Malfunction, Reduced Power!
got my bumper and hood painted
pick up the car get the ENGINE MALFUNCTION, REDUCED POWER! Tried to pull up JB4 -- it wouldnt respond --- THOUGHTS? SUGGESTIONS? thinking of unplugging and replugging battery could JB4 be dead? how? |
04-09-2016, 07:50 PM | #2 |
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Assuming you pulled the key out/shut the car down and tried to start again? Did the shop do anything to the car beyond painting and installing? Did your car sit there the whole time?
Perhaps unplug battery and let sit for a few minutes then try again? Did you even get it started and drive or was it immediate? Highly doubt the JB4 has any issues. I'd want to know if that shop unplugged your battery or tampered with anything etc. Good luck. |
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04-09-2016, 08:05 PM | #3 | |
Ricebanger
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Hi brother 1 - restarted car - same error 2 - did not unplug batter yyet guna try it tomorrow 3 - the painter said car sat there all day, it just showed up suddenly he had to take off bumper 4 - I think JB4 is invovled because: I try to get into the Jb4 Menu by hitting both down buttons and it wont let me in |
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04-10-2016, 12:22 PM | #6 |
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You said you would try undoing battery and let it sit for a few...have you? Tried uninstalling jb4? Are you able to read codes?
Painter said it just sat there all day long, but that it just showed up suddenly? Obviously it wasn't just sitting there then if he saw it show up right?
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04-10-2016, 01:11 PM | #7 | ||
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04-10-2016, 06:52 PM | #8 |
Ricebanger
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Hi guys
unplugged battery - replugged got more errors like X drive off then a fellow forum member n homie CeeWhizzle pulled the codes they are P0238 P0108 P007B P007D P0234 |
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04-10-2016, 07:04 PM | #9 |
Ricebanger
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P0238 Turbo/Super Charger Boost Sensor "A" Circuit High
P0108 Manifold Absolute Pressure/Barometric Pressure Circuit High Input P0234 Turbo/Super Charger Overboost Condition p007b Charge Air Cooler Temperature Sensor Circuit Range/Performance Bank 1 p007d Charge Air Cooler Temperature Sensor Circuit High Bank 1 |
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04-10-2016, 08:14 PM | #11 |
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What did you do?
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04-11-2016, 08:18 PM | #16 |
Ricebanger
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so the technician ran diagnostics
the intake air temperature read = -40c when it was warm outside does this mean its the sensor on the intake? but doesnt 29e0 refer to an issue with the charge air sensor?? what should I do?? I think the technician is going to replace MAF sensor and see if it works then maybe we should consider the chrage pipe sensor??? seems like the JB4 did a number on those sensors? |
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