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P1626 Diagnostic Trouble Code Discussion for June 2007

Theft Deterrent System Fuel Enable Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1626
Help Request Posted
2001 Pontiac Grand Am SE 3.4L No Start, Stall VIN: 1G2NF52E72
P1626: Theft Deterrent System Fuel Enable Circuit Malfunction. This vehicle was towed in with a no crank situation. the customer stated that her husband could tap starter and it would ussually crank.(not this time). I replaced the starter and now the car cranks,but stalls immediately. I figured it was security system from...
June 21, 2007
1999 Chevrolet Malibu LS 3.1L No Start, Stall, MIL Lamp on VIN: 1G1NE52M8X
P1626: Theft Deterrent System Fuel Enable Circuit Malfunction. ... Checked codes, found P1626 and U1016. Checked battery connections, tested power and grounds at computer and checked connector-ok. Replaced computer per Alldata flow chart. Vehicle seemed fixed. Came back about 2 weeks later with same symptom. Rechecked wor...
June 22, 2007