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Posts Tagged: TSB 04-21-10

Fix code P0354 misfire on cylinder 4 Ford F150

P0354 misfire on cylinder 4 Ford F150 P0354, misfire on cylinder 4, Ford F-150, check engine light on Ford has issued a technical service bulletin (TSB) 04-21-10 to address problems with a P0354 misfire on cylinder 4 Ford F150. The problem has been linked to 2004 F-150 models and has been traced to the A/C line coming in contact with the wiring to #4 ignition coil. If the harness is coming into contact with the A/C lines, here’s the fix. Disconnect the battery and then reroute the main harness. Remove … Read More


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