Question about 2003 Cadillac Deville
The car will not start at all the starter engages and the fuel pump turns on but will not turn over
Auto shutoff relay runs both the fuel pump and the ignition(spark) change irt..
Posted on Jan 01, 2014
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Posted on Jan 02, 2017
SOURCE: SERVICE ENGINE SOON
Sounds to me like you have a fuel issue. Try replacing the fuel filter and run a good injector cleaner through the motor with a couple of tanks of high octane gas. The service engine light can easily be tripped by weak detonation in the combustion chamber, causing very poor performance as well. Good place to begin before you start dumping $$ trying to figure out whats wrong.
Posted on Aug 06, 2008
are you getting spark?
pull off a spark plug ground the bottom connect the spark plug wire have (make sure you aren't holding the spark plug) have someone turn over the motor you should see a spark. if you don't have spark check the ignition system.
Posted on Jan 26, 2010
MAKE SURE YOU DID REPLACE FUEL PUMP WITH NEW SOCK.THE OLD PUMP SOCK IN THE TANK STOPPED UP.CHECK FUEL PUMP FUSE AND RELAY.
Posted on Mar 25, 2011
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