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How do I reset idle controller? The only thing I can find on the is let it idle for 1 min with the AC on... the that the trick?

here is a 12 second video of what I and dealing with... If you turn up the volume you will hear the sputter at the beginning.

Here is a 12 second video of what is going on... Rob i yes, it did run correctly... I will check the coolant level, the plastic overflow is very full... what it is doing is a classic sign of a maf going bad... I would think the tuner would be able to see that? it should show in the logs right...

you are correct,,, but it went from somewhat long... as expected with the DW400 (for three weeks it was running this way) to crazy long overnight... the starter now even "times out" sometime and I have to hit it a second time to start the car. Cold starts are about the same... time wise.

I am not 100% sure it isn't bad fuel... when this started happening I filled up the tank... with shell gas 93 drove to the airport 60 miles... then drove home 60 miles... car seemed fine both ways... it had about 1/2 a tank left in it. I did a hard 2nd gear pull to about 7400 RPM... after that...

Sorry I left that out... I have one... sorry I left that out I have one ...

Garage parked... the car has a DW400... should I reinstall the factory pump? or bypass the voltage booster with the DW400? I am also thinking about sending the pump back to DW to get the check value install... I bet they can bench test it for me... and make sure it is doing its job... do I even...

This is the range quote for the 3rd log at the top of the page.

SCT x4 - what is the best resource I can use to learn to read the logs? I can read what is says but I need to lean what is the expected range... for different conditions...

A. check and even put new plugs in... B. I can take the logs but don't know how to read them... They are attached at the beginning og the thread. C. Same as B. I like what you said about fuel pressure... How do I go about testing that? I have a DW400 with a voltage booster.

really... I was wondering why there are no codes... when first starting off it sputters / sometimes a knock / then kicks in hard... if I aply the gas really slow I can avoid the sputter... on wet roads it goes from sputter to ripping tire... it also has very long hot start... I will keep...

Yes, I have sent them over... he is trying to figure it out... FYI I did a smoke test after the install and it passed. I have double check the lines everything looks like it should...

My installer wanted me to use the DW400 pump... I really don't think Mustangs like them... but it was not causing this issue for the first 800 miles... unless it failing now... Please keep me posted on how you progress...

I like your workflow, the issue is the plugs all looked fine... and I am not getting any codes... so I have no idea what cylinder might be causing a issue.

1. I will take a second look... but didn't notice anything 2. New battery 800 miles ago... 3. no codes are coming up...

yes, I did tried this after I cleaned the air flow sensor...

1. I didn't see or hear any leaks on the cooks LT 2. Car seems to run well once you get past first touching the gas... so once I am into WOT I am not feeling or hearing any issues. 3. I have had this whole setup on for less than 800 miles... including the green flow cats 4. yes, the O2 sensors...

Oh... one other thing... maybe the TB isn't working right... but I don't know how to test that either or read the logs and tell...

I NEED HELP - there is no CEL... I am not sure what to do next... Please let me know your thoughts. This issue started / I first noticed it after WOT second gear pull to about 7400 RPM... I have not gone WOT with the car in about 3 weeks... The last time I did was for testing with PBD... about...

I was wondering if people are running these? Would it help with blowout? If you are running them what are you running and how do you like them ?