2007 GMC Envoy SLE 4.2L No tach
When tach works cannot give any throttle If tach doesn't work runs fine Replaced crank and cam sensor twice with AC Delco sensors
FIX posted 3/20/2019
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle 18 Replies Received (View Replies)18 Replies Received (Hide Replies)Related Documents & MediaRelated Documents & Media |
Message Closed w/FIX
Vehicle Data2007 GMC Envoy SLE
Trouble Codes
|
Message Closed w/FIX
Vehicle Data
2007 GMC Envoy SLE
VIN | 1GKDT13SX7 |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Emissions | OBD-II Compliant |
Symptoms | No Tach |
Occurs | Intermittently |
Misc. | New Engine |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0335 | Crankshaft Position Sensor 1 Circuit Malfunction (No Signal) |
P0336 | CKP Sensor 1 Circuit Intermittent Signal |