My 2002 Saturn Vue currently has the service engine soon light that stays on. On occasion, the Reduced Power light comes on and it's like the Vue stalls out when this happens. I turn the car off, and then turn back on, and it's like nothing had happened. Is there a typical issue that occurs when this happens? The car seems to run fine otherwise.
Yup. The throttle body connectors have a history of failing on these cars. Replace the throttle body and the wire connectors that go to it, and you're back in business. Not terribly difficult and you can get the parts from any dealer. Saturn actually has a bulletin out on this problem but they won't cover it unless you're under warranty - no recall for this.
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The procedure you used is for the 2006 > Vue, and will not work on your 2003. For the 2002-2005 Saturn Vue V4 or V6 - Under the hood you will see a black fuse box behind the battery. Open it up and you will see a red button, it is small and looks like a fuse but on the top it will say Oil-Res. Turn on the ignition & press and hold that button for about 10 seconds. You may want to have a friend sit in the driver's seat and watch for the indicator to start flashing, which indicates you've activated the reset. Turn off the ignition and that will reset the Oil light.
There is a fault somewhere on the vehicle which has triggered the engine management system to limit engine power to minimize damage.If you have breakdown cover and live in the Uk then call them.You need a computerised diagnosis of the engine.If you live locally then mail me at firstname.lastname@example.org and I will assist you further.
reduced power messge is not caused by oil pressure. i assume this a 3.0L v6. this engine has a electronic throttle body which is a electric motor that operates the throttle plate that takes the place of a throttle cable. in cold weather the pcv (positive crankcase venelation) system accumulates moisture that will form on the throttle plate, in cold weather the water freezes and causes throttle plate to stick. when the ecm detects any malfunction whithin the throttle control circuit it is put in to reduced power mode that limits throttle position. usually resets after ign. is cycled. there is a service bullitin to re-position pcv hose behind throttle plate to reduce moisture bulid-up on throttle plate. your saturn dealer can perform this service.
Your vehicle’s computer system has self-testing capability. When the computer senses that there is a problem with some of the components it stores the correspondent trouble code(s) in its memory and lights up the "Check Engine" or "Service Engine Soon" light to tell you that there is a problem and you will need to have the car diagnosed and repaired.