P1406 Diagnostic Trouble Code Discussion for October 2004
EGR Valve Pintle Position Circuit Malfunction
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| Help Request | Posted | |
| 1997 GMC Savana 1500 5.7L No Start, MIL Lamp on, pings VIN: 1GKFG15R3V P1406: EGR Valve Pintle Position Circuit Malfunction. Customer brought the van pinging badly on acceleration, enough that it made me wince to drive it. Checked codes, MAF code, EGR pintle, and a freeze frame code for TPS in memory. Checked datastream, the baro reading is at 53 kpa, only about half of what it shou... |
October 09, 2004 |
