P1221 Diagnostic Trouble Code Discussion for December 2005
TP Sensor 2 Signal Correlation
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| Help Request | Posted | |
| 1995 Chevrolet Blazer 4.3L No Start, MIL Lamp on VIN: 1GNDT13W85 P1221: Fuel Pump Low Volts. ... for not running issues, customer stated that he has already changed the fuel pump relay (claims it would get real hot)and it would work for awhile then quit. We installed a new relay and checked all grounds and the truck would start, once started we were a... |
December 05, 2005 |
