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P1402 Diagnostic Trouble Code Discussion for November 2007

EGR System Malfunction Detected (Open)

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Trouble Ticket Help Requests for DTC P1402
Help Request Posted
1998 Isuzu Trooper S 3.5L MIL Lamp on VIN: JACDJ58X9W
P1402: exhaust gas recirculation cicuit range performance malfunction. ... pending. Go for a test drive and come back scan truck and have codes p1402 and p0101 I know that the p0101 is a mass air flow problem but I don't think it will make a egr code come on. on test drive I watched the data egr clos...
November 02, 2007