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1997 Chevy Tahoe and i replaced the cam crank sensors it still run will start if hold gas down sounds really bad miss fires chugs dies give codes for crank?

Possible causes:

- Incorrect installation of the camshaft or crankshaft sensor.

- Damaged camshaft or crankshaft sensor.

- Wiring issues related to the camshaft or crankshaft sensor.

- Other engine issues that can cause misfires and stalling, such as:

- Faulty spark plugs or wires

- Clogged fuel injectors

- Vacuum leaks

- Low compression

Diagnosis:

1. Check the installation of the camshaft and crankshaft sensor to make sure they are properly seated and connected.

2. Inspect the camshaft and crankshaft sensor for any signs of damage, such as cracks or broken wires.

3. Check the wiring related to the camshaft and crankshaft sensor for any signs of damage or corrosion.

4. Perform a compression test to check for low compression.

5. Check the fuel injectors to see if they are clogged.

6. Check the spark plugs and wires to see if they are faulty.

7. Check for vacuum leaks.

Repair:

- Replace the camshaft or crankshaft sensor if it is damaged or improperly installed.

- Repair any wiring issues related to the camshaft or crankshaft sensor.

- Address any other engine issues that are found during diagnosis.

Note:

If you are not comfortable performing these repairs yourself, it is recommended that you take your vehicle to a qualified mechanic for diagnosis and repair.