My 2005 Tribute, V6, has virtually no power from take off
I've taken my tribute to a local mechanic who performed fuel pressure and volume test, exhaust back pressure test, inspected for vacuum leaks and checked knock sensor operation, and checked static timing check, all with no problems. He checked fuel pump pressure that was 42 psi. I had already changed out the mass air flow and throttle sensors. I took to a local mazda dealer who diagnosed a bad bad fuel pump, saying it was only performing at 26-32 psi. Changed out the pump, and still didn't solve the problem.
Bad throttle position sensor, throttle cable needs to be lubed?
I replaced the throttle position sensor when I replaced the mass air flow sensor.
How many miles, did you ever change the plugs, fuel filter?
80, 00 miles, changed out plugs and fuel filter about 4 months ago. Had the computer reset also. Took to a different shop last week, they say I need to replace both exhaust manifolds......
I just brought my 2008 Mazda Tribute in for the same issue (specifically noticeable in snow) and they just told me it's the power takeoff unit which isn't working, if that helps.
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