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P1620 Diagnostic Trouble Code Discussion for November 2009

Low Engine Coolant Switch Circuit Low Input

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Trouble Ticket Help Requests for DTC P1620
Help Request Posted
1999 Saturn SL2 1.9L Poor Idle Quality, Cuts out VIN: 1G8ZK5279X
This vehicle will intermittently start and stumble, feels like ignition cutout, can't accel until revving engine high enough, after the one bad start, will run great all day. Coils were shorting, plugs were worn, replaced crank sensor and tried a module, check...
November 02, 2009
2004 Suzuki Verona S 2.5L Hesitation, Stall, MIL Lamp on VIN: KL5VM52L34
P1620: No description available. no data found. Good afternoon techs, we have a 04 verona that has come from the dealer with no luck on a diagnostic. customer complains that her vehicle intermitantly dies at stop lights and will buck on acceleration.costomer says that while refueling pump will click and sto...
November 10, 2009