Diagnostic tool EMM troubleshooting

Description

This diagnostic tool enables the user to easily and quickly perform a fault reading on FFI
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engines.  Simply unplug your throttle position sensor (TPS), plug this in, and turn the key on. Fault codes are blinked out on the check engine light. Great for mobile mechanics or DIY. Fault code interpretation available upon request. No laptop needed for diagnosis! Shipping additional outside continental US. Returns not accepted, but this product is guaranteed to work.