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2004 Malibu 3.5L Engine Light On with P0455, P1125, and P1135 OBD-II Codes - What Causes These Faults?
My 2004 Chevrolet Malibu 3.5L has recently developed three OBD-II trouble codes: P0455, P1125, and P1135. The engine light comes on, and the vehicle enters reduced power mode. A...
2004 Malibu 3.5 | P04552006 Pontiac Grand Prix Base Model - Error Codes P1125, P2138, and P2125 After Throttle Body and Pedal Replacement
Hello, I'm experiencing persistent error codes P1125, P2138, and P2125 on my 2006 Pontiac Grand Prix Base Model. I've already replaced the throttle body and pedal assembly, and...
Pontiac Grand Prix | P1125Isuzu Axiom 2003 Check Engine Light & Codes P1125, P1221, P1295, P1515: Throttle Sensor or Wiring Issue?
I own a 2003 Isuzu Axiom SUV and have been experiencing intermittent engine stalling and poor performance for years. Despite multiple repairs—including intake manifold gaskets (...
Isuzu Axiom | P11252000 Isuzu Trooper Check Engine Codes P1290, P1125, P1295 - How to Fix Idle and Power Issues
I recently worked on my 2000 Isuzu Trooper and noticed an issue when I tried to manually move the throttle. What I thought was the throttle pedal actually caused the engine to s...
2000 Isuzu Trooper | P1125Mazda Protege 5 2002 - Troubleshooting PO300, P1125, and PO420 Codes: Random Misfire, Catalyst Efficiency, and Fuel Pressure Issues
Hi there, I own a 2002 Mazda Protege 5 with a 2.0L engine. Recently, I've been experiencing intermittent running issues — the car runs smoothly for a while, then suddenly stutte...
Mazda Protege 5 | P1125