Out of the Blue Running Issues
08-11-2009, 11:33 AM
#1
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Out of the Blue Running Issues I have a '67 Bronco that I swapped a '02 5.3L & NV4500 into. I just got it out of the exhaust shop last night, stopped off for gas, and it wouldn't start. It was cranking away but it was not starting. I pulled a P1336 (Crank position re-learn needed) & P0178 (Flex Fuel Sensor) codes. So I reset the codes and it did start but barely, and ran poorly the rest of the way home. Later I cleared the codes again and it took forever to start but eventually did and ran like crap, just enough for me to pull it into the garage. Now I'm suspecting either the crank or cam sensor went south but need help on how to diagnose these sensors. I spoke with the dealer they said that neither of these codes would prevent the vehicle from starting so I think I have a faulty sensor. The motor has always had some issues starting, but now it's gone caput.
08-11-2009, 12:22 PM
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This is a shot in the dark, because I only read about flex fuel for a little bit.
I know at one point there was a specific sensor to detect E85 and later on the computer got all of the information from the 02 sensors.
Is it possible that the trouble may lie with the 02 sensors? Perhaps damaged during the exhaust changes?
I know at one point there was a specific sensor to detect E85 and later on the computer got all of the information from the 02 sensors.
Is it possible that the trouble may lie with the 02 sensors? Perhaps damaged during the exhaust changes?
08-11-2009, 12:29 PM
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This is a shot in the dark, because I only read about flex fuel for a little bit.
I know at one point there was a specific sensor to detect E85 and later on the computer got all of the information from the 02 sensors.
Is it possible that the trouble may lie with the 02 sensors? Perhaps damaged during the exhaust changes?
I know at one point there was a specific sensor to detect E85 and later on the computer got all of the information from the 02 sensors.
Is it possible that the trouble may lie with the 02 sensors? Perhaps damaged during the exhaust changes?
