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09-29-2014, 12:47 PM | #1 |
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How to tell if hpfp is failing?
Last week my car was throwing me into limp mode and running really bad with both my tune on and off with the codes 2cab 2ca7 which are o2 codes and also some 3100 and 30ff ones. Come this weekend it started running fine again and I cleared codes and its back to normal with just the d0wnpipe codes present. I did some logs and last week the hpfp dipped as low as 7-8 but now it's fine and doesn't go lower than a 10. Do these things go out intermittently? My car already had the recall done in 2009 but that was 5 years ago.
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2008 Aw/Coral Red Manual 135i Coupe-
JB4 G5 + BMS race flash, BMS meth kit, VRSF DP, Big tom Ic, BMS chinese tester CP, Custom Muffler Delete, BMS Oil Cooler Valve, Cowl Filters, Clutch Stop, B&M Short Shifter, Spec Stg 2+ Clutch W/ Oem dmfw, Vmr V710, KW v2, M RSFB, 1M Front and rear Bumper, Performance Side Skirts, slek trunk, Lci blacklines.] |
09-29-2014, 02:14 PM | #2 |
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More often than not, the fuel pump will start showing signs of weakness rather than just fail.
It will start getting worse and then fail completely I recommend you take it to the mechanic and test it.
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09-29-2014, 03:18 PM | #3 | |
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Quote:
Bucks for the diag and then I can go from there. maybe a fuel injector? My car stutters on cold starts too
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2008 Aw/Coral Red Manual 135i Coupe-
JB4 G5 + BMS race flash, BMS meth kit, VRSF DP, Big tom Ic, BMS chinese tester CP, Custom Muffler Delete, BMS Oil Cooler Valve, Cowl Filters, Clutch Stop, B&M Short Shifter, Spec Stg 2+ Clutch W/ Oem dmfw, Vmr V710, KW v2, M RSFB, 1M Front and rear Bumper, Performance Side Skirts, slek trunk, Lci blacklines.] |
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12-08-2014, 12:09 PM | #4 |
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Update, turns out it was O2 sensors hpfp still going strong!
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2008 Aw/Coral Red Manual 135i Coupe-
JB4 G5 + BMS race flash, BMS meth kit, VRSF DP, Big tom Ic, BMS chinese tester CP, Custom Muffler Delete, BMS Oil Cooler Valve, Cowl Filters, Clutch Stop, B&M Short Shifter, Spec Stg 2+ Clutch W/ Oem dmfw, Vmr V710, KW v2, M RSFB, 1M Front and rear Bumper, Performance Side Skirts, slek trunk, Lci blacklines.] |
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