Top 10 2003 Chevrolet Silverado 2500HD Questions & Answers

Beside me fuel falls into oil .Has changed the ijectors, all gasket , not help.Pump has changed too. But problem remained

In my case, simply removing and reseating the IPC/DIC fuse restored the gauges to full functionality.

A 2003 6.6 duramax holds 10 quarts with filter. you must also use a high quality diesel rated oil such as shell rotella 15w 40

you can get the part you want from international truck dealer they are a warehouse for allison. it is gear selector switch it will cost you around $55.00

If you haven't purchased the plugs yet. The wire color codes should be included in the package.

• If you are using used plugs ck the back of the plugs for color or function of wire
• Wht - ground
• red - stop
• blue - accessory/aux
• brown - tail
• black - Marker
• grn - left turn
• yellow - right turn

CHECK AIR FILTER!!!

The IPC displays the season odometer information from the BCM in the driver information center (DIC). The odometer will display an error if the IPC detects invalid odometer data from the BCM.
You'll need to find a 10 AMP fuse in the instrument panel cluster, follow this diagram t locate it: https://ricksfreeautorepairadvice.com/2003-chevrolet-silverado-fuse-diagram/

4.8L, 5.3L & 6.0L Engines

1. Remove the air inlet duct.
   
2. Drain the cooling system.
   
3. Remove the radiator outlet hose.
   
4. Remove the thermostat housing bolts.
   
5. Remove the thermostat from the water pump housing.
   

The O-ring seal is integral to the thermostat housing

Thermostat housing-4.8L, 5.3L and 6.0L engines

To install:

1. Install the thermostat to the water pump housing making sure the spring side is inserted into the engine.
   
2. Install the bolts.
   
   • Tighten the bolts to 11 ft. lbs. (15 Nm).
     
3. Install the radiator outlet hose.
   
4. Fill the cooling system.
   
5. Install the air inlet duct.
   
6. Test the system for leaks.
   

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P0606 P0641 P051 P0690
I NEED HELP AS TO THE DIRECT PROBLEM IVE BEEN GOOGLING past 2 weeks....not understanding exactly what I need to replace

Same problem, same fix. Apparently something was reset when I removed the fuse.