Common engine sensor and control component locations for the GM 3.1L and 3.4L V6 (3100, 3400)
- MAP Sensor.
- EGR Valve.
- EVAP System Purge Solenoid.
- Idle Air Control Motor (IAC).
- Throttle Position Sensor (TPS).
- Throttle Body.
- Intake Air Temperature Sensor (IAT).
- Fuel Pressure Regulator.
- Coolant Temperature Sensor (ECT).
- Mass Airflow Sensor (MAF).
- PCV Valve.
- Cam Position Sensor (behind and below power steering pump).
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8 Comments on "3.4L and 3.1L V6 Engine Sensor Locations"
Where is the throttle position sensor for a 2002 Buick rendezvous 3400 SFI 6 cylinder. Pictures on here don’t do it justice…
I have a 1992 Buick regal. Trying. To locate the crankshaft sender
The crankshaft sensor on the 3800 engine is located behind the crank pulley.
have 2005 chevy impala with 3.4 it is showing p0300 code it has a miss in it and a rattle in the top of the motor any suggestion
thanks.
mel
rattle in top of engine and miss fire p0300 code in 3.4 2005 chevy impala. changed coil packs,plugs and wires,any other suggestions
thanks,
mel
Remove valve covers and look for loose pushrods caused by stripped or loose rocker arm bolts.
I have a 3100 v6 not real sure the make of vehicle it originated in, there is hey sensor located on the cylinder head closest to the firewall one wire not attached what sensor is this.
That is a coolant temperature sensor.