Car doesnt wanna start any help would be great... - Ford Mustang Forum
 
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post #1 of 8 (permalink) Old 09-14-2019 Thread Starter
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Car doesnt wanna start any help would be great...

Hey guys im new to the website but came here seeking for some help.... I dont have the extra money to pay a mechanic, an im hoping to fix this problem myself with a little bit of help.. im running out of ideas, just recently my 06 gt started to have a few problems then just stopped running all of a sudden! An right before it died on me, it started missing real bad an backfiring an had a really rough idle, so i had someone come check it out an they told me it was my fuel pump because it hardly had any pressure an had backflow right back into the tank.. So i replaced the fuel pump assembly an fuel filter an it fixed my fuel pressure problem but car still doesn't wanna start... sometimes it will kick over for about 5 seconds but just dies out again and i know its getting fuel an spark so im clueless as to what else it could be, i know a week before it just died it would have a small miss but would clear out in higher rpms im possibly thinking it could be the fuel pressure sensor or maybe crankshaft sensor but im not sure, an i dont have the money to just start guessing.. It did have a code thrown but when i reset my computer it cleared it out an i cant keep the car running long enough for it to throw another code.. any ideas would be greatly appreciated, an car has 133xxx miles if that helps... Car does have a few aftermarket parts has a jlt serious 3 cai an has comp cams stage 2 nsr, an bbk longtubes into a xpipes with catt deletes.. Has been dyno tuned as well.. Did find out my mass air flow sensor is metled could that possibly be keeping my car from starting... But i hear that you can run a car without a maf sensor, but im clueless just looking for some honest answers thanks in advance for the help...

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post #2 of 8 (permalink) Old 09-14-2019
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If your MAF sensor is not working I would replace that first as it is very important so that the car knows how much air is going into the engine. I know it's normally $100, but if you know for sure it's bad, definitely replace it.

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post #3 of 8 (permalink) Old 09-14-2019 Thread Starter
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Yea so can a bad maf sensor cause a no start even with it being unplugged?
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post #4 of 8 (permalink) Old 4 Weeks Ago
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I haven't experienced it that bad myself, but from what I've researched, not having a MAF could cause enough trouble to keep the engine from running.
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post #5 of 8 (permalink) Old 4 Weeks Ago
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I don't know about a mustang, but it definitely kept my Toyota Tacoma from starting. (MAF)
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post #6 of 8 (permalink) Old 4 Weeks Ago Thread Starter
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Well i swapped out the maf an it didn't change anything... Im possibly thinking its my fuel pressure sensor, i dont smell any gas going to my other fuel rail an i can blow air threw the line
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post #7 of 8 (permalink) Old 4 Weeks Ago
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Quote:
Originally Posted by xkillerxnatedog View Post
. . . out my mass air flow sensor is metled could that possibly be keeping my car from starting... ...

there is a clue here -- did you mean "melted" and if so, why did it melt?


the other clue is, something changed -- that narrows it down to things that wear out, or clog, etc.


it is going to be very hard to sort out with all those mods, sorry but that's all I got

| 2010 GT coupe | Daily Driver with some Steeda and GT500 take-off stuff for the occasional track day
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post #8 of 8 (permalink) Old 4 Weeks Ago Thread Starter
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I believe i found the issue! Not sure yet but i believe my fuel rail sensor could be going bad could this cause a no start? But its not the orginal motorcraft it has a bosch fps an wouldn't think this could go bad so quick.. Im gonna assume the previous owners changed it out..
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