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1991 Toyota MR2 loss of power

Tiny
JERYHAWJ
  • MEMBER
  • 1991 TOYOTA MR2
  • 4 CYL
  • 2WD
  • MANUAL
  • 146,000 MILES
The problem is that it can "almost" drive regular. But once I step on the gas pedal a little too hard. My car feels as if it's about die and my exhaust sputters. And my speed barely increases.(Worse than just driving normal) but my turbo gauge goes up rapidly. It feels like the car is working the s*it outta my turbo but the engine isnt spitting anything.
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Saturday, July 3rd, 2010 AT 4:49 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
If the transmission is not slipping-see below:

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
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
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Saturday, July 3rd, 2010 AT 8:16 PM

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