WHERE DO I BEGIN

2001 Mazda Millenia

Tiny

bigdaddy1967

February, 17, 2013 AT 4:06 AM

Where do I begin. Several things have been done to fix this car. No engine light. But when the car get up to highway speeds ( 60-70 mph) the car flutters and feels ready to cutoff but doesn't. O2 sensors, spark plugs, supercharger, egr valve, pcm computer, map sensor, maf sensor, all new vacuum hoses (could be the problem because the hoses are hard to put in proper places) have all been replaced. No fault codes in the computer. Fuel pump and regulator was checked. Help!

FOUND 656 RELATED QUESTIONS

1 Answer

Tiny

ASEMaster6371

February, 17, 2013 AT 12:43 PM

What is the actual fuel pressure reading?

Has the back pressure been checked for the cat converter? Thats my bet.

Roy

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