Help with misfire fault please
Discussion
taylormj4 said:
New 5AM AFM finally arrived and fitted. It's actually date stamped 1997 so exactly the same age as the car funnily enough.
Car now working well again throughout all the rev range and loads.
Very thankful to Rovergauge/Blitz's lead for helping me diagnose the fault and saving me from the dreaded gradual replacement of parts until resolved technique !
I notice that the long-term lambdas are still showing -99% and -94%, caused by running with the fault. The short terms are compensating in the +ve range so car runs OK.
I presume the ECU will return the long-term lambdas back to their usual values or I could reset the ECU. Is that correct or should I be adjusting the pot on the AFM ?
Now I need to make a heat shield for the new AFM. Using some tin foil at the moment but doesn't look great.
It should reset after the car idles for a while.Car now working well again throughout all the rev range and loads.
Very thankful to Rovergauge/Blitz's lead for helping me diagnose the fault and saving me from the dreaded gradual replacement of parts until resolved technique !
I notice that the long-term lambdas are still showing -99% and -94%, caused by running with the fault. The short terms are compensating in the +ve range so car runs OK.
I presume the ECU will return the long-term lambdas back to their usual values or I could reset the ECU. Is that correct or should I be adjusting the pot on the AFM ?
Now I need to make a heat shield for the new AFM. Using some tin foil at the moment but doesn't look great.
Edited by taylormj4 on Tuesday 1st July 13:54
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