MY LINCOLN NAVIGATOR, FOR NO APPARENT REASON WHILE DRIVING IT DIES, IT SHUTS OFF COMPLETELY. IS ON AND OFF, I USED THE OBD TO CHECK FOR CODES AND NOTHING COMES OUT. WHAT I NOTICED IS ONLY THAT THE LOW OIL PRESSURE INDICATOR COMES OUT...I PULL ASIDE, TURN THE IGNITION KEY OFF AND TURN IT BACK ON AND STARTS AGAIN LIKE NOTHING EVER HAPPENED. IT HAS 91000 MILES. ONCE IS RUNNING IT DRIVES SMOOTH. SOME PEOPLE TELL ME THAT IT COULD BE THE VIPER ALARM WHICH I THINK IS A SOPHISTICATED ONE. PLEASE HELP BEFORE I TAKE IT TO THE DEALER
JUST STALLS on 2003 Lincoln Navigator
by JUAN CARLOS 9768 in El Paso, TX on October 20, 2010
ANSWER by DaveJM on October 20, 2010
The Viper alarm will usually only cause an issue interrupting the starter circuit when attempting to start the car while armed. It really cannot inspire the truck to stall. There are a few things that could be happening with your truck. Is there any consistency to when it stalls? Cold engine? Hot engine? After re-starting a warm engine? At highway speeds? Around town? Accelerating? Decelerating? If you have any clues there, that may help. You could have a fuel system issue, an ignition system issue or an air intake system issue. Since you do not have any codes as you stated checking OBDII, there are no other real clues, and it makes it tough to troubleshoot. You may end up having to have test equipment on the car when the problem occurs to see what is failing.
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