Question about Motorsports
I have preplaced the fuel pump, filter & checked injectors. Stil dont want to start
ARE YOU SURE IT IS A FUEL DELIVERY PROBLEM? SPARK & FUEL ARE THE 2 THINGS THAT CAUSE A VEHICLE TO START AND RUN. IF IT USES "COILPACK(S) HAVE THEM /IT TESTED...LIKE AT AUTO ZONE...OTHER IGNITION SYSTEMS, MAKE SURE YOU ARE GETTING A FAT STRONG SPARK OUT OF COIL!....WHEN YOU TURN THE IGNITION SWITCH TO RUN POSITION (DON'T CRANK IT OVER)....WITH THE DRIVERS DOOR OPEN..YOU SHOULD HEAR A WHIRRING SOUND MOMENTARILY FROM THE REAR OF THE VEHICLE. THIS IS THE FUEL PUMP RUNNING. IF YOU DONT HEAR A FAINT HUMMING...THE FUEL PUMP
1. IS DEFECTIVE
2. IS NOT GETTING POWER
3. YOU HAVE A RELAY OR WIRING ISSUE (UNDER HOOD MAXI FUSE AS WELL). IF NOISE IS HEARD..GO TO SPARK DIAGNOSIS JEFF GEYER (517) 489-1566 OWNER AUTOWORX
Posted on Apr 05, 2014
In addition to other answers, maybe a fuel pump relay.
Posted on Feb 23, 2015
The Worx Group had it right as far as checking for pump noise. To add to the possible issues, on older cars you could have a bad fuse or fuse block (part of the "not getting power" suggestion). Additionally, some late 80's and early 90's Volkswagens had two fuel pumps.
Posted on Sep 06, 2014
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Posted on May 18, 2017
Depending on what type of vehicle your talking about, it could be a safety thing. Theft deterrent chip in the ignition. Reset your computer . Its easy to do and youtube will probably have a video on how to do it.
Posted on Apr 02, 2017
I'd start with electrical problems like the battery, ignition control module and battery leads before delving into fuel delivery issues.
Posted on Feb 09, 2015
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Posted on Jan 02, 2017
Tips for a great answer:
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Jun 12, 2015 | 2002 Pontiac Grand Prix
Jan 11, 2011 | 1996 BMW 3 Series
Dec 23, 2010 | 2002 Chevrolet S-10
Mar 05, 2010 | 1986 Toyota 4Runner
Feb 28, 2010 | 1996 Chevrolet K1500
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Jul 10, 2009 | 1983 Chevrolet K2500
Jul 04, 2008 | 2000 Ford Focus
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