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iFixitwhat would cause my car to turn off while driving & what cause it to start with ... Before you do these, you may consider doing a quick check of your battery terminals. ... So changing out the ignition control module is not a one fix for life job. ... and all thesudden the check engine light would come on and the car would die.
Oct 1, 2008 - Replacing a perfectly good ISC motor or solenoid won't fix the ... If the engine stalls while idling or driving, the engine may be running ... The engine may startand idle fine, but run out of power or even stall at highway speeds. ... If the engine is running normally one minute, but suddenly quits, .... Then dies.
Check the ignition switch condition and operation.
The electrical contacts in the run position may be worn or damaged.
Try restarting the engine with all electrical accessories in the off
position. Sometimes turning the key on an off will help in emergency
situations, however once the switch has shown signs of failure, it
should be replaced as soon as possible.
Check for loose, corroded, damaged or shorted wires for the ignition system and repair or replace.
Check for manifold vacuum leaks or vacuum hose leakage and repair or replace parts as necessary.
Measure the fuel pump delivery volume and
pressure. Low fuel pump pressure can also be noticed as a lack of
power when accelerating. Make sure the fuel pump lines are not
restricted. The fuel pump output is not adjustable and requires fuel
pump replacement to repair.
Check the engine fuel and ignition management
system. Inspect the sensor wiring and electrical connectors. A dirty,
loose or damaged sensor or control module wire can simulate a failed
Check the exhaust system for internal restrictions.
Check to see if you emission system sensors are plugged in, such as the air intake sensor which is plugged into the air hose at the front of the engine. Another possibility is your gas cap. Replace it, its very cheap. If it only occurs at higher speeds it may be clogged injectors. Dump a bottle or two of injector cleaner into the gasoline tank after a fill-up. You might also try some octane booster which is methanol and will mix with and help remove any water in your fuel tank.
Since the car stall only in the drive position, it sounds(i'm not there to actually ck the car)like when the engine torques, it might be pulling on a harness somewhere and killing the ignition. Do this,start the car and under the hood while the engine is running, move or jiggle the harnesses around and see if the car stalls. If the car stalls try to pinpoint the location on the harness and look for frayed or broken wires.
chances are the ignition coil or crank or cam sensors are intermittently cutting out. the crank sensor should be mounted on the transmission on the top left side. they are cheap and i would start there.
Check the fuel delivery, first. It could be fuel pump or an obstruction. The best way is to start the car in park, then run over to the engine compartment and rev up the throttle. Keep idle higher than normal. If it wants to die, rev throttle higher to compensate. If it makes no difference, verify fuel pressure when engine dies. Usually ignition related wont even allow the car to start. Any service engine indication?