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1996 Cavalier 2.2 Fuel Issue

Tiny
ANOINTEDPRINCESS
  • MEMBER
  • 1996 CHEVROLET TRUCK
I have a 96 Chevy Cavalier 2.2 Cavalier. I had 2 injectors (the car ran but smelled bad) so I replaced all 4 of my injectors and 8 o'rings and the fuel pressure regulator. I have inspected my O'rings they are not damaged from installation and all 4 cylinders are filling up with gas. The car will not start due to too much gas any suggestions would really be appreciated I know that I do have the correct injectors. :Oops:
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Wednesday, April 11th, 2007 AT 11:04 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check the CTS/TPS/MAFor MAP sensor

The PCM uses Sensor inputs to control the fuel mixture. It uses a Throttle Position Sensor (TPS) to detect changes in the throttle opening, an Airflow Sensor (Hot Wire or filament Mass Air Flow sensor or a Vane Air Flow sensor), and/or a Manifold Absolute Pressure (MAP) sensor to monitor changes in airflow and intake vacuum. The PCM then calculates how much fuel is needed to maintain the desired air/fuel mixture and increases the injector pulse width accordingly to supply the needed fuel as given by sensor inputs.

Could be a problem with the quad driver in the computer-
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Thursday, April 12th, 2007 AT 3:20 AM

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