Having problems with your 1999 Mercury Grand Marquis ?
Trying to locate the cam sensor since the car will run but not idle without stepping on the gas could u send a diagram
Hi: You'll Find the Cam Shaft Sensors (2) There are 2- in Front of your Engine .Just below your Vavle Covers On Your Timing Case Cover. 1-On Each Side.There are 2-Different Types of Sensors Theres a 2-Pin and a 3-Pin ,Once you Pull the Wiring off each Sensor you can look inside the Wire Plug for your Sensors and see if its a 2 or 3 Pin Sensor.. I Assume you have had your Engine Scanned to Diagnose that your Sensors ARE bAd. There Fairly Easy To Spot.Remember Ring in Front on Your Engine Below Vavle Covers On Timing Cover 1 On Each Side. I hope This Helps You,Please Let me Know if My Solution Has Helped you And The Quality Of Help i have Given You. Thanks Good Luck FROM - d_hubbs
Repair Help & Product Troubleshooting for 1999 Mercury Grand Marquis
Tips for a great answer:- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.