QM1, QM2, QM3 Repair Service
This purchase is for a mail-in service and covers labor, parts, and return shipping of your ECU. Service is for replacement of QM1, QM2, or QM3 modules, priced per component.
QM1 is commonly related to fuel pump priming or delay problems when other possible issues have been addressed(faulty capacitors or IC17). This component is partially used to activate the fuel pump. QM2 and QM3 are injector drivers. One driver per 2 injectors, 2 drivers for 4 injectors. if injectors are found to be in working order and wiring is good, this could be the fix for a dead or stuck injector.
Typical turnaround time is 1-3 days based on current workload from the time your ECU is received.
If your ECU is found to be unserviceable, your ECU will be returned and you will be issued a refund, minus a $5 diagnostic fee and listed shipping cost. If you would like to confirm if your OBD1 ECU is eligible for modification please do not hesitate to reach out and we'll do our best to answer any and all questions you may have.
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There are MANY factors when diagnosing an ecu and MANY components in each circuit. No repair, replacement, or advice is a guarantee.