Question about 2002 Chevrolet TrailBlazer
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Posted on Jan 02, 2017
all electrical power must come from an alternator an a good batterie to store it please ck your alternator or have it ck by an parts store clerk if the altrenator is bad (must develop 13 0r 14.5 volts output. anyting above that ,the alt is bad!) change it then ck your batterie an batterie connections terminals and all the 80 amp fuses on the fuses box nicolas
Posted on Dec 22, 2008
SOURCE: 2002 reduced engine power light
You have some kind of ECU problem. You will need to hook to the diagnostic port to find the problem. Your vehicle has gone into limp mode. This enables the vehicle to run, but at a diminished level until you can seek help for the problem. Do not continue to drive it this way as you may cause damage to the engine depending on the nature of the problem.
Posted on Feb 17, 2009
SOURCE: engine power reduced
Locate the IP to body harness connector, which may be located in and around the left hand kick panel area or inside the IP. Check to see if there is a water leak into the area and repair as necessary.
Posted on May 24, 2009
po455 is Probable Cause[s]
1. Defective, loose or missing fuel cap
2. EVAP canister broke, hose cracked or not connected
3. Purge or vent solenoid defective
4 . Vacuum leak at engine po121 code po121 means Throttle Position Sensor/Switch A Circuit Range/Performance Problem . it is usually indicative of a faulty throttle position sensor or faulty wiring harness in the engine bay.
Posted on Feb 27, 2010
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