Question about 2002 Saturn VUE

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Check engine lights are on

Power steering ,tac and speedometer quit working. Brake and security lights are on all the time. Some times it will quit running but start right back up run for about 5 seconds and shut off again. Will do this several times before it will stay running. Slowed way down a couple of times with gas feed clear down and Reduced power light came on on dash Had it checked at 2 places and is showing CODE # U2107 No one seems to be able to tell me what this code is or how to fix it.

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  • Saturn Master
  • 42,757 Answers

"U" codes indicate a network communications problem
could be in the wiring and harness connections between the sensor and the ECM or CPU program
2107 concerns the throttle actuator control (TAC) module --processor fault ===causes --TAC control module
check wiring and all connections

Posted on Jun 04, 2017

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SOURCE: 2003 2500 HD code P1518a

Try to charge the battery.

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SOURCE: Misfire

One question, have you replaced the ECTS (Electronic Cooling Temperature Sensor)? These cause no end of different seemingly unrelated problems on Saturns. Peice is about ten bucks and is an easy install. Just search on youtube for a how-to video. Even if that's not the problem it is reccommended to replace this peice just the same as they ALL end up going bad at some point.

If that's not a fix, start pulling plugs. Check to see if they're correctly gapped and if they have any damage/corrosion. If you're running Platinum plugs, immediatly change to a copper plug as Platinums have no place in these motors. Most people have the best luck with NGK copper.

Check to make sure that your plug wires haven't been crossed. This sounds like a plug or wire issue most likely so it has to be in that family, if the plugs are good, wires good and not crossed, sensors are fine, then time to replace your coil packs. If you've replaced everything up to the coil packs then that is most likely the cause of your dillema.


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SOURCE: 02 saturn l200 starts then dies immediately

try your spare key it sounds like the transponder in the key is going bad

Posted on Jun 29, 2009

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SOURCE: 2004 Saturn VUE (M/T) STEADY service engine soon light

SOME TIME PCM GET A VOLTAGE SPIKE.OR ELECTRICAL INTERFERENCE WILL CAUSE SERVICE LIGHT TO COME ON WITH NO CODES.IF IT KEEP HAPPENING TAKE IT TO DEALERSHIP TO CHECK IT OUT.

Posted on Aug 12, 2009

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SOURCE: reduced power light/check engine runs very rough

usually when it gets colder outside the car will misfire and run rough because the ignition module/coil pack goes bad and makes it misfire,youre gonna have to replace the coil and module,,its the black long piece that sits on top of the spark plugs,1 wire connector and 4 10mm bolts remove them and pull up hard to pop the plug boots off the spark plugs,then install the new parts and you should be ok

Posted on Oct 20, 2009

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1 Answer

2004 silverado Z71.tech,speedometer,fuel gauge,temp,oil pressure and voltmeter all quit working and security (key fob dont lock/unlock no more).any sugestions


Pull the IP and unplug it, plug it back in. When everything goes at the same time it is usually a bad connection at the plug. Also check ground wires. The can be on the steering column or behind the kick panel to the left. By the E brake. The key FOB is a different area. But can be related to the grounds.

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Speedometer and tac quit and having transmission problems


run fault codes and look for a TCM problem or torque converter clutch fault.

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Speedometer doesn't work


For speedometer related issues,the help links are provided below.Click the link below to go through its details :----

How to trouble shoot speedometer?

http://schematicsdiagram.blogspot.com/2011/06/speedometer-not-working.html

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why speedometer not working? http://technoanswers.blogspot.com/2012/01/1996-fiat-bravo-speedometer-not-working.html

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Speedometer works but odometer not working? http://technoanswers.blogspot.in/2012/01/speedometer-works-but-odometer-not.html----------- Speedometer runs backward?

http://technoanswers.blogspot.com/2012/01/speedometer-runs-backward.html

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Warning lights on and speedometer died?

http://howtobyme.blogspot.com/2011/08/warning-lights-on-and-speedometer-died.html

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ABS & Brake lights warning indicator steady on dash and speedometer not working?

http://howtobyme.blogspot.com/2011/11/abs-brake-lights-warning-indicator.html

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Vehicles Cluster panel Not reading Miles?

http://schematicsdiagram.blogspot.com/2011/12/vehicles-cluster-panel-not-reading.html

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Odometer works properly but speedometer works intermittently? http://technoanswers.blogspot.com/2012/01/odometer-works-properly-but-speedometer.html

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How odometer works in cars?

http://technoanswers.blogspot.com/2011/11/how-odometer-works-in-cars.html

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Speedometer not working on Ford?

http://repairhelpcenter.blogspot.in/2012/02/speedometer-not-working-on-1993-ford.html

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This will help.

Thanks

Feb 14, 2012 | 1996 Plymouth Voyager

1 Answer

Ac quit working right after speedometer quit working around 60 mph. the rpms after i got off the interstate started to jump and my steering wheel seemed hard to turn


Hello, The reason why it was hard to steer was the engine wasn't running. The rpm, seedo, air condition, power steering does work if the engine has died. First check to see the belts are on the pulley and rolls in the engine carpment. If they are on and not broken then you other problem.

Will you car start, if doesn't. You could have run out of fuel?. Power steer pressure valve is faulty, broke a timing belt, run out of oil and the engine quit working. Engine got hot and stopped.

If it not starting, call a wrecker have them take to a garage of your choice. GB...stewbison

Aug 25, 2011 | 1998 Ford Taurus

1 Answer

Speedometer and tac gauge does not work. I've checked all of the connections, replaced both censors and all of the fuses. What did I miss? Due to it not working, the transmission isn't reading it and it...


It is possible for the Speedometer and Tac gauge not to work but will not affect the way the transmission works. If the problem is in the interment cluster the transmission can still receive the input from the speed sensor. Does the check engine light come on? If the transmission isn't receiving the signal the check engine light will come on and set code. If the check engine light isn't coming on or doesn't set code for speed sensor signal you problem is more likely to be in the interment cluster. The RPM would be the same.

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Strange guage surges on Ford 350.


I think the ford 350 might be a loose ground wire. This can cause the erraticness within the gauges.

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Aug 13, 2008 | 1999 Ford Windstar

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