If the engine is misfiring, it may be caused by a damaged wire(s) which connect the fuel injectors to the Powertrain Control Module (PCM). The damaged wire(s) can be repaired or the emission wire harness replaced. A misfire can result in a loss of engine performance and illumination of the Check Engine Light.
Check Engine Light Due to Engine Misfire on Mazda Tribute Hybrid
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The DPFE (differential pressure feedback EGR) sensor tends to fail. The DPFE sensor monitors fu...