POR ACCELARATION

1995 Geo Metro

Tiny

no1tiniert

September, 16, 2009 AT 6:46 AM

Engine Performance problem
1995 Geo Metro 4 cyl Front Wheel Drive Automatic 98000 miles

accelerates in park, but in drive it barely goes down the road, even when pushing on the gas pedal, doesnt have any power, and its not the transmission, if it dont accelarates, like some stupid mechs say?

FOUND 2975 RELATED QUESTIONS

1 Answer

Tiny

rasmataz

September, 16, 2009 AT 11:44 AM

Dirty fuel injectors (cleaning the injectors often fixes this).
Bad MAP (manifold absolute pressure) sensor
Bad TPS (throttle position) sensor
Bad or dirty MAF (mass airflow) sensor
Low fuel pressure (leaky fuel pressure regulator or weak fuel pump)
Vacuum leaks (intake manifold, vacuum hoses, throttle body, EGR valve)
Bad gasoline (fuel contaminated with water or too much alcohol)

Sometimes, what feels like a hesitation is actually ignition misfire rather than lean misfire. The causes of ignition misfire may include: Dirty or worn spark plugs
Bad plug wires
Weak ignition coil
Wet plug wires

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