Cranks But No Start, Stall, Inaccurate/Incorrect Fuel Gauge Reading, No Fuel, Vehicle Is Out of Fuel and Fuel Gauge Reads Above Empty (Replace Fuel Module/Sender/Sensor)
| Subject: | Cranks But No Start, Stall, Inaccurate/Incorrect Fuel Gauge Reading, No Fuel, Vehicle Is Out of Fuel and Fuel Gauge Reads Above Empty (Replace Fuel Module/Sender/Sensor) |
| Models: | 2001-2004 Chevrolet Silverado |
| 2001-2004 GMC Sierra |
| with 6.6L Duramax™ Diesel Engine (VIN 1 -- RPO LB7) |
This bulletin is being revised to correct a part number. Please discard Corporate Bulletin Number 04-08-49-019 (Section 08 -- Body and Accessories).
Condition
Some customers may comment that the vehicle stalls and will not restart, vehicle runs out of fuel or vehicle appears to be out of fuel but the fuel gauge reads above empty. The fuel gauge may read approximately 1/4 tank.
Cause
Contamination on the fuel sending card may cause inaccurate/incorrect fuel gauge readings.
Correction
Follow the service procedure below for diagnosis and repair of this concern.
- Confirm that the vehicle is actually out of fuel by attempting to prime the fuel system. Refer to Fuel System Priming (SI Document ID #1207621).
- If testing reveals that the fuel gauge is operating correctly, replace the fuel sender assembly and auxiliary tank fuel level sensor, if equipped.
- Remove the fuel tank. Refer to the following applicable procedure:
- Replace the fuel sender and sensor if equipped with an auxiliary tank. Refer to Fuel Sender Assembly Replacement (SI Document ID #1251027) and Fuel Level Sensor Replacement (SI Document ID #1251022) if equipped with an auxiliary fuel tank.
| • | If the vehicle is not out of fuel but Engine Cranks but Does Not Run, refer to SI Document ID #784405. |
| • | If the vehicle is out of fuel and the gauge does not read empty, test the fuel gauge. Refer to the following procedures: |
| - | Fuel Gage Inaccurate or Inoperative Single Tank (SI Document ID #1302183) |
| - | Fuel Gage Inaccurate or Inoperative Dual Tanks (SI Document ID #1302186) |
| • | Fuel Tank Replacement Pickup (SI Document ID #1251016) |
| • | Fuel Tank Replacement Cab/Chassis - Front (SI Document ID #1251019) |
| • | Fuel Tank Replacement Cab/Chassis - Rear (SI Document ID #1251020) |
Parts Information
Parts are in limited quantities. Please DO NOT order parts for stock.
Part Number | Description |
|---|---|
89060634 | Sensor, Sensor Card (Only For Vehicles Equipped with Auxiliary Diesel Fuel Tank) |
89060639 | Sender Assembly (Pick Up, Main Tank, Diesel) |
89060641 | Sender Assembly, (Cab/Chassis, Main Tank, Diesel) |
Parts are currently available from GMSPO.
Warranty Information
For vehicles repaired under warranty, use:
Labor Operation | Description | Labor Time |
|---|---|---|
L1200 | Sender and/or Pump Assembly - Fuel (Tank Unit) - Replace | 0.9 hr |
Add | with tank shield (left tank only) | 0.1 hr |
Add | with split drive shaft | 0.2 hr |
Add | with 98 L (26 gallon) tank | 0.8 hr |
Add | with 123 L (32.5 gallon) tank (1500 series) | 1.0 hr |
Add | with 145 L (38.5 gallon) tank (2500 series) | 1.1 hrs |
Add | with auxiliary fuel tank | 0.6 hr |
