Hi, 1995 high mileage Probe with major power problems that the mechanics can't figure out.
Climbing a hill or coming over a bridge or up out of a tunnel, the car can't go more than 15 MPH. There's only about two inches word of power increase on the gas pedal. Pushing it any further not only doesn't add any power, it confuses the car and shuts the power off. Basically you can only apply the least amount of gas on the pedal.
Mechanics have elimated the tranny, the fuel pump, the air filter, and the catalytic converter -- all are functioning. Last Saturday my mechanic called me and said he just spent 3-1/2 hours, and hasn't the faintest idea why my car has negligible power.
Did you mean the timing belt? It was replaced last year.
It seems to me that a key clue is that not only is there little power, but that the power does not increase with increased pressure on the gas pedal -- on the contrary, the power stops feeding altogether. That is, it runs normally to about two inches of depressing the gas pedal, and then anything past that point does not exist.
Checked all vac hose/pipes for leaks or cracking ? Also , as Bert suggested , worth checking timing . If belt jumped , for whatever reason , could be badly retarded / over advanced which would give you those symptoms .
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