[Chris mcgraw]

Hey guy’s. ? Just wanted to keep you updated on the po306 misfire on cyl 6 iwas getting. Found a split hose on the fuel pressure regulator. Replaced it cleared the code driving truck for 2 days now. Im still going to a compression test to see whats going on. Tomorrow will be the real test driving to work. Thanks again for everyones help

[Chris mcgraw]

Hey guy’s. ? Just wanted to keep you updated on the po306 misfire on cyl 6 iwas getting. Found a split hose on the fuel pressure regulator. Replaced it cleared the code driving truck for 2 days now. Im still going to a compression test to see whats going on. Tomorrow will be the real test driving to work. Thanks again for everyones help

[Chris mcgraw]

Ok took some measurements with scan tool…. air flow rate mass air flow 6.34g/s. Short term fuel trim -.8% to 1.6% short term fuel trim b1 -.8 to 1.6% short term fuel trim (b1-s1) -.8% to1.6%. Long term fuel trim bank 1 2.3%

short term bank2. -3.9%
Long term bank 2 1.6%

Any input would help..thanks again

[Chris mcgraw]

Ok took some measurements with scan tool…. air flow rate mass air flow 6.34g/s. Short term fuel trim -.8% to 1.6% short term fuel trim b1 -.8 to 1.6% short term fuel trim (b1-s1) -.8% to1.6%. Long term fuel trim bank 1 2.3%

short term bank2. -3.9%
Long term bank 2 1.6%

Any input would help..thanks again

[Chris mcgraw]

Thanks again. I will check it out. I think it’s more frustrating that it doesn’t do it all the time.

chris

[Chris mcgraw]

Thanks again. I will check it out. I think it’s more frustrating that it doesn’t do it all the time.

chris

[Chris mcgraw]

hi,
I have changed them all. I did the coil pack.spark plugs & wire. Also replaced fuel injector on cyl # 6

[Chris mcgraw]

hi,
I have changed them all. I did the coil pack.spark plugs & wire. Also replaced fuel injector on cyl # 6

[Chris mcgraw]

what I’m thinking the weird thing is it doesn’t always do it..

[Chris mcgraw]

what I’m thinking the weird thing is it doesn’t always do it..

[Author]

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