Inspect and test all the following listed below:

Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Manifold absolute pressure sensor.
EGR Valve
Fuel pressure regulator leaking or defective fuel pump.
False air leakage.
Fuel contamination.
Foul/defective spark plugs.
Open spark plug wires.
Ignition coil/Coil packs defective.
Incorrect ignition timing.
Cap and rotor.

Note:If it doesn't apply disregard.

Answered by rasmataz
68 questions asked

you sent me alist of thing that might be wrong with my car and my garage fix everything and it still does it i will explain what it does. start car drive for 5 miles you go to punch it and feels like its flooding out

Response from jpredix
1 question asked

Best start by checking fuel pressure if its within specs -

Answered by rasmataz
68 questions asked

i had technician check that and everything checked out. Anything that has to do with fuel has been changed and is brand new. it is a new engine had local motor company put it in i have a lot of money tied up in the car and it still dont. I had several technicians look at it together they have over 100 years experience in this feild and not one could fix it

Response from jpredix
1 question asked

Before I can continue I need the fuel pressure-both at idle and 2K rpm

Answered by rasmataz
68 questions asked

45 idle 48 2k

Response from jpredix
1 question asked

Did they check the knock sensor could be retarding ignition timing

Answered by rasmataz
68 questions asked

would a code show up if thats the case

Response from jpredix
1 question asked

Its suppose to work that way but at times they'll be a problem within the engine management system that the computer failed to lock-in and pop the CEL. Scan the computer again might give you something

Answered by rasmataz
68 questions asked

well there was no codes that showed up i will try the knock sensor can i ask you where that is located thanks for everything i just want to get my car running and tired of paying mechcanic and still dont have a running car i hope i can find the problem because im going to take it back and show them i fixed it ha ha ha

Response from jpredix
1 question asked