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Runs good then idles rough and won't take gas. No check engine codes.???????????

(1997 Acura TL)
in Oxford, NC on October 11, 2012
Im and experienced mechanic 20+ years but this car has me baffled. Will run great for 5 to 10 minutes then starts spittin and idling rough. then will not take gas and has no check engine codes. Any suggestions welcome.
Displaying 3 answers & 8 comments
Popular Answer
of Greg's Orange Auto on October 11, 2012
what is the fuel trim readings and how long since fuel filter was repl
on October 17, 2012
Snap on monitor doesnt read fuel trim. Any other suggestions? Fuel filter has been replaced.
on October 18, 2012
With a manual vacuum gauge at manifold vacuum port , what are readings cold start /running good , then what does the needle do when it's acting up , especially when trying to give it some throttle? And just to be clear on your other response , you did try with a leaking exhaust (before the converter) to see if that made a difference?......Remember , we are not there in person so it's a little trickier , without some info. Just trying to help.
on October 19, 2012
Thanks for all your help but we decided to let them have the car back.
on October 19, 2012
You're welcome, sorry we couldn't help more.
on October 13, 2012
Also possibly check mass air flow meter for contamination , or any leaks in the air intake system (poss. cracks in hose) While watching fuel trim(#1) , watch MAF reading. ....Any sign of restricted exhaust? (vacuum gauge to test - or (less recommended) create exhaust leak before converter and test drive? Is the knibbler pin and muffler bearing OK?
on October 17, 2012
Done all this. Any other Suggestions?
of Greg's Orange Auto on October 17, 2012
seek help obviously u are missing something or its something else
on October 18, 2012
What kind of 'snap-on' monitor would NOT read fuel trim ...curious.
on October 11, 2012
i would check fuel pressure, also does the car sound muffled
on October 17, 2012
Fuel pressure was checked. Any other suggestions?
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