Oct 25, 2011 · This article will help you to troubleshoot and diagnose a bad crankshaft position sensor on your 4.3L, 5.0L and 5.7L Vortec equipped GM Pick Up or SUV.

Dec 11, 2025 · If your 4.3L, 5.0L, or 5.7L Vortec-equipped GM Pick Up or SUV has a defective crankshaft position sensor, this article will show you how to analyze and diagnose the problem.

Sep 20, 2021 · Is the camshaft position sensor actually required for starting the engine? I once had this code on my 4.3 Vortec. Driving around it intermittently acted like it was about to die …

Discover step-by-step instructions on decoding and rectifying the P1345 code, which typically relates to crankshaft or camshaft position sensors.

Apr 23, 2011 · I used 3mm thick sheel-metal, but I think I should have used thicker material like 4 or 5mm to have a better signal on the VR sensor: I had some difficulties to find the right …

The Camshaft Sensor, like the crank sensor, sends a signal to the computer for the position of the cam. When it goes bad, it also causes issues with timing and cause a no spark problem.

The only way to properly set the distributor is with a scan tool that reads cam retard or camshaft to crankshaft corellation and physically set the distributor to +/- 2 degrees. my old scan tool reads it.

The Camshaft Position (CMP) sensor is situated within the distributor. Its operation closely resembles that of the Crankshaft Position (CKP) sensor. The CMP sensor generates one …

Aug 29, 2024 · In this blog post, we’ll explore the 5.7 Vortec engine, discuss the importance of the camshaft position sensor, and guide you through its location. Additionally, we’ll highlight the …

Aug 2, 2025 · A healthy camshaft position sensor 5.7 Vortec is absolutely essential for your engine’s smooth operation and overall longevity. We hope this guide helps you navigate the …