Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 25 (ENGINE CONTROLS - TESTS W/CODES - 4.3L)DIAGNOSTIC TROUBLE CODESDTC P0106 - MAP SENSOR SYSTEM PERFORMANCEDTC WILL SET WHEN THE FOLLOWING CONDITIONS ARE PRESENT
1998 Chevrolet Suburban K2500, 7.4 J, Part Time
DTC Will Set When The Following Conditions Are Present
1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION DTC Will Set When The Following Conditions Are Present
WARNING: This page is about a different car, the 1997 GMC Savana, 1997 Chevrolet Chevy Van, and 1997 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
- Engine is running.
- No TP sensor DTCs are set.
- No IAC sensor DTCs are set.
- No EGR DTCs are set.
- Change in engine speed is less than 100 RPM.
- Change in throttle position is less than 1.95 percent.
- Change in EGR flow is less than 5 percent.
- Change in IAC is less than 5 counts.
- No change in brake switch status.
- No change in clutch status (manual transmission).
- No change in power steering switch status.
- No change in A/C clutch status.
- Conditions have stabilized for 2 seconds.
- Conditions are met for 24 consecutive tests in a sample of 100 tests.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.