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2007 GMC Envoy SLE 4.2L No tach
Posted to GM Driveability on 3/5/2019 18 Replies

When tach works cannot give any throttle If tach doesn't work runs fine Replaced crank and cam sensor twice with AC Delco sensors

18 Replies Received (View Replies)

  Related Documents & Media  2007 GMC Envoy SLE

 
Message Closed w/FIX

car Vehicle Data

2007 GMC Envoy SLE

VIN 1GKDT13SX7
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Tach
OccursIntermittently
Misc.New Engine

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0335Crankshaft Position Sensor 1 Circuit Malfunction (No Signal)
P0336CKP Sensor 1 Circuit Intermittent Signal
Message Closed w/FIX

car Vehicle Data

2007 GMC Envoy SLE

VIN 1GKDT13SX7
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsNo Tach
OccursIntermittently
Misc.New Engine

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0335Crankshaft Position Sensor 1 Circuit Malfunction (No Signal)
P0336CKP Sensor 1 Circuit Intermittent Signal