Can someone please decipher the folowing fault codes for me please.
F1
14
OC
F6
53
E4
C6
Got the beast home from Shawn and Jims finally last night but something clearly is not right. Jim kindly ran his Peake tool for me but we couldn't find the code list.
Seems to be running on 4 cyl.????? Also has no power - though I drove home pretty slowly. Too late last night to work out what was going on.
Thanks Gordon
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F1 misfire detected, Cyl #4
14 after cat oxygen sensor, Cyl 5-8
OC Engine coolant temparature, plausibility
F6 secondary air system flow too low, Cyl #4-6
53 crankshaft sensor
E4 drive-by-wire throttle, control wire
C6 misfire cyl #3
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Thanks Andy.
Appreciate your help.
Gordon
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If you are looking for free advice ( lol ) I'd start with the crank sensor first. If that is bad, the ignition timing and throttle duty cycle will be off, which is probably what is causing the misses, O2 sensor faults, and secondary air problems. Could also be the MAF or a simple vacume leak... But I'd start with the CPS first.
The other simple thing to check is to pull the plugs out of the missing cylinders. bad gaps or flouling may be the problem.... or a symptom of a bad sensor.
My guess is the coolant temp is a colateral problem since the ECU uses that for F/A mapping. With the CPS off, the ecu is really confused about what to do and what the sensor inputs are doing.
my 2 cents
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Replacement crank sensor ordered.
Thanks for your help.
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| Reply » Peake research fault codes help |
Quote: | If you are looking for free advice ( lol ) I'd start with the crank sensor first. If that is bad, the ignition timing and throttle duty cycle will be off, which is probably what is causing the misses, O2 sensor faults, and secondary air problems. Could also be the MAF or a simple vacume leak... But I'd start with the CPS first. | Actually it was quite simple. I have fitted the earlier E36 intake manifold which uses the 95 E36 fule rail and takes quite a bit of work to re-attach the wiring harness cover etc. Had the thing on and off a dozen times fitting it and forgot to plug in the front plug from the injector wiring harness which goes to the cam angle sensor. Popped it back in and she seems to be running just fine.
Just have to reset the CEL again and see what we have now.
Gordon
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Peake research fault codes help