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Home >> Saturn >> 1997 >> SW2 Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Self-Diagnostics >> Diagnostic Trouble Codes >> DTC P0351 &/Or P1351 - Ic Circuits No. 1 & 4 Malfunction Or Shorted >> Diagnostic Aids

Diagnostic Aids

When attempting to diagnose an intermittent problem, use scan tool to review malfunction history information. This data can be used to duplicate a problem.

A malfunctioning 1/4 coil, 1/4 ignition wire or 1/4 spark plug will not cause DTC P0351 and/or P1351 to set. A blown EIS fuse will cause a no-start condition but an IC 1/4 DTC may not set. An IC 1/4 circuit fault may set a cam missing DTC P0340. If engine starts with a fault on the IC circuit, a misfire DTC P0300  may also be set. If there is an open in the IC 1/4 circuit a misfire on those cylinders will occur.

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