1996 Geo Tracker

Engine Performance problem
1996 Geo Tracker 4 cyl Four Wheel Drive Automatic 160000 miles

my geo hesitates when taking off like if wans't enough gas, but if I put it on 2 and then drive wil do just fine, is gota new egr valve, new maf sensor distribuitor cap and plugs
July 16, 2010.

Possibilities: Inspect and test all the following listed below: Oxygen sensor.
Catalytic converter.
Fuel injectors dirty/sticking.
Mass airflow sensor/Airflow meter.
Throttle position sensor.
Crankshaft position sensor
Knock 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 it.

Jul 16, 2010.
Gee, this sounds more like a first gear issue in the transmission. How is the transmission fluid level? Does the fluid smell (yes I said smell) like it has a burnt smell to it? Is it real dark (black, brown, etc.)? Maybe a clogged transmission filter (if equipped). Many diffrent scenarios here.

Jun 7, 2011.