Question about 2002 Mitsubishi Galant

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I have a 02 galant,I bought a cold air intake.When it was put on, the engine light came on.How would i get this fix

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See if there is a sensor that came off the old air filter system. You might need to conect that somehow.

Posted on Jun 14, 2009

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My 1999 tacoma i bought has a cold air intake and its throwing a check engine light but it drives fine??? Help


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1 Answer

I put a cold air intake filter on the truck, and right after that the engine will not accelarate I changed the O2 sensor, the mass air flow sensor, and the one before the mass air flow sensor.


I,m thinking that its your catalitic converter, it may or may not be the fault of the cold air intake, due to the increase in air flow you may have freed up some lingering carbon deposits through driving potentionally with a heaver foot than normal. (we all love the sound of our intakes) Is there a check engine light or emmisions type of warning?

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2002 Mitsubishi Galant gets poor acceleration.


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2002 Nissan sentra engine light on and rpm needle bounces


I have the same car and had the check engine light come on for me as well.

Mine was because I put an after market cold air intake system and I took care of my filter by cleaning and replacing it when needed. If you have this or an a filter like a K&M air filter that has a bit of oil on it will coat on the O2 sensors and will eventually interfere with your O2 sensors giving your computer the wrong information like mine did and my revs went up as well. So I had to clean my 02 sensors and and reset my computer it fixes the problem or replacing the 02 sensors will of course work too but not needed. About 3-4 years then the check engine light came back on again and I went back to my normal stocked air intake and a regular filter and no more problems. I left my exhaust header on and I still have lots of power and fuel milage, so the cold air intake didn't icrease much power or fule milage... just a tad.

Hope this helps you a little.

The other J!

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As me and my stepdad just discovered, the Galant came with an added feature to help the AC use less energy, by placing a heater valve within the dashboard. After pulling about 10-12 screws and half the dashboard apart, we simply opened the valve permanently. Many cars out there work that way all the time. Now after changing those lousy clamps into actual hose clamps by the firewall, my wife enjoys cool air in the summer and heat the whole winter. Hope this helps, there is a site that will actually show you a video of putting dash back together, as author did not film the disassembly.

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