Question about 2007 Saturn ION-2 Quad Coupe

2 Answers

Check engine light & power reduction light on intermittantly

During our last big snow my 2007 Ion started showing the two engine lights and I lost power. If I turn it off, then restart it the power reduction light goes out and it runs fine, even though the check engine light is still on. Also, both lights occasionally go out for a day or two. A diagnostic machine noted the problem as the throttle pedal sensor switch, but the connection is good and I can't detect moisture. If the problem is intermittant, I suspect maybe a problem with the ground connection? Or could it be the alternator ground? Any insight would help as I don't want to pay the $120 for a new sensor switch unless I can confirm it's faulty.

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  • Saturn Master
  • 15,575 Answers

The right way to a fix is to have a technowizard hook up a lab scope an check the position sensor signals to the PCM/ECM . The position sensor is wearing out inside the Accelerator Pedal . It's not a connection or mositure or the alternator . It is more then likely
the APP sensors . These wear out regulaly ! Drive by Wire Function and Diagnostics by Wells

Posted on Apr 06, 2017

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  • Expert
  • 151 Answers

Take to your local auto parts, put the scanner on, there not allowed to erase the codes but you can do it with there help.

Posted on Apr 06, 2017

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6 Suggested Answers

6ya6ya

6ya staff

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SOURCE:

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Posted on Jan 02, 2017

Anonymous

  • 1 Answer

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.


Posted on Oct 25, 2008

Joel Friedenberg

  • 1114 Answers

SOURCE: 2007 Saturn Ion Check Engine Light Gas Cap Problem

Take the car back to your Mechanic and have the mechanic reset your system. Some may advise you to disconnect the battery, and that will reset your computer. This may cause significant problems with your car's computer,radio, alarm. Take the car to the mechanic.

Posted on Aug 17, 2009

Fixitman909

Tommy Thomas

  • 430 Answers

SOURCE: I have a 2006 Saturn Ion and the check engine

try resetting pc disconnect neg cable for 5 mins and retry gl

Posted on Aug 29, 2009

Anonymous

  • 543 Answers

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

Testimonial: "we will give it a try"

Anonymous

  • 543 Answers

SOURCE: '99 Saturn SC1 with intermittant check engine light P0341

a p0341 code mean cam reference performance, really it means you have a secondary ignition problem,,,,like a bad ignition module
a bad crank sensor
a high resistance spark plugs,do not use bosch platinum plugs in these cars
high resistance spark plug wires,,,i work at the dealer and the first thing we do is replace the spark plugs and wires if that dont work we replace the crank sensor,if thatdont work we reaplce the ignition mondule,and by then your fixed and you started with the cheapest items first,,,i would try plugs and wires and a crank sensor,,,,wires $50 plugs $14 crank sensor $37

Posted on Oct 23, 2009

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