Question about 1993 Chevrolet Astro
Sounds like the injectors are not firing. Have them diagosed at a garage.
Posted on Oct 09, 2010
Hello! I need to determine if the fuel pump relay is pulling...Do you have a voltmeter? If so set it to read +12 volts ...If you do not have or lack experience with a multimeter, let me know...Locate the Power train Control Module (PCM)...It is above the passenger foot well...see attached diagram...
Connect + meter probe to a safety pin inserted into the rear of PCM connector F pin #6...A Dark Green/White wire...With key on you must read +12 volts...If yes, Fuel Pump Relay is defective...If no...PCM is lacking the proper inputs from one of two sensors...The Manifold Absolute Pressure (MAP) sensor or the Throttle Positioning Sensor (TPS)...Send a comment...Guru...Saailer
Posted on Oct 10, 2010
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Posted on Jan 02, 2017
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