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Common Issues on the Ford Ranger (5th Generation)

RepairSmith

Software Updates: Ford has released technical service bulletins (TSBs) regarding these transmission issues, which can be controlled by software. Occasionally, a misfiring cylinder could also trigger emission-related codes. Updating to the latest firmware can possible improve shift quality.

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Purge Valve Replacement: Why It’s Important + Costs Involved

RepairSmith

A failed emissions test: If the canister purge valve allows excessive vapor to escape from the charcoal canister, your emissions will likely exceed the EPA (Environmental Protection Agency) standard. The ECU can fail for several reasons, including water damage, corrupt software, and bad sensors.