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new injectors, car dies if maf unplugged?

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foxracing4500

10+ Year Contributor
336
9
Jan 21, 2012
Europe
been trying to figure out why my car at idle sounds like its missing but with no codes. I put new BP7es in yesterday, NGK blues 2 weeks ago, timing belt 3 weeks ago, next would be the coil packs I guess but it only happens in Park. Also what is weird is my inHg pressure,

Park 26
reverse 24
Neutral 24
Drive 20

on with the topic title before when I had 450's I could unplug my maf or accidentally and she would idle fine, the failsafe is based off speed and TPS % right? Now she just dies. To further piss me off with the new/used 950's my MAFT setting at base 2 aux 4 reads killer rich! I am using Ecuflash/evoscan and I already had my injectors dialed in with my stock maf, but when I switch it over to the GM Maf closed loop STFT reads -25. I read somewhere else that a user had success using base injectors in the MAFT and dialing the injectors in properly with ecuflash.

if it helps I can post a video, when it sounds like it misses I noticed my wideband reads leaner. But I have no clue, I can do a timing belt but I cant figure this out :ohdamn:. What about maf smoothing? I am still using ceddys modified rom with all stock settings besides injectors?
 
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