I already used the known good A2A with the same bad results. It is possible that both sensors were bad? Possible
Thank you
I already used the known good A2A with the same bad results. It is possible that both sensors were bad? PossibleBad sensor or wrong sensor as Mustang5L5 said above in post #21 - needs to be the A2A version of the Crown Vic MAFs, not the OPs AA version.
I'm a C&L guy and have had no issues with both 73 and 76mm units running 19s and 24s. Just a tube change.
Sorry on my update I missed to include that after I removed the 70mm MAF tube and sensor I installed the stock 55mm MAF tube and sensor.So did you run the car without an MAF? If not what MAF did you swap in to get the better mpg? Sorry, I just lost track and am not sure what you did.
I would agree with your statement but how in hell mine failed? Again I used two different sensors and both gave me crap! It seems everyone is tuning them with success but in my case it just not worked.Sounds like you have solved the mph issue. I’m going to say the obvious that the 70mm MAF needs to go into the trash. If you want a larger MAF buy a quality one like a C&L or Pro-M.
Thank you for your suggestions. I’ll put them in practice.Now that you have the gas mileage issue cleared up clear the codes and drive it around for a bit and then pull codes. Even if your CEL is not flashing or on clear the codes.
Once we know you don’t have any codes then this becomes a mechanical slash tune up issue.
After reading and seeing the maf fixed it I had to go back and see if it my original suggestion . Which it was . Glad you got it sorted honestly .What brand maf is it ? Who’s 70mm if it a stock maf in one of to see calibrated deals . Toss it .
Have those 19lb injectors flowed and cleaned make sure they are good . I’d get a pro m maf if you plan on keeping it a 70 mm. The transfer function will be more accurate in my opinion .
You need to see if the 02 are trimming fuel or if the ecu is just using default values because they are no good .
All of this together will make a Huge difference . Give it the timing back if it likes it to .
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