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Toyota Sienna Warning Lights & Problem Codes

90 messages,  Last post on Dec 06, 2009 at 10:40 AM

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#78 of 90 2004 SIENNA CHECK ENGING WARNING LIGHT by ny04sienna Feb 24, 2009 (11:13 am)
Hi all, I am updating the status of the check engine warning light issue..Please see my original postings back in Nov 07 (posting # 30). Here is a short recap: Dealership charged me $800 to fix the check engine light issues back in Sept 07. A month later, the same check engine lights came back on again. At that time, they told me another issues w/ another set of codes. They suggested they can fix it for me for another $700. I didn't let them fix it. Instead, I asked my local guy to reset the car after I put in a brand new gas cap. Now, it's a year and a half later, as of today, the check engine light never came back after I put in more than 15,000 miles. The gas cap only cost me $20.00. Why couldn't the dealership detect the issues as malfunction of the gas cap? Instead, they would throw out a bunch of warning codes and demand $$$ to repair it for u... If you have the "check engine light" problems and the car still drives fine, try to replace the gas cap first... Replies to this message: ateixeira (Feb 24, 2009 2:01 pm)
#79 of 90 Re: 2004 SIENNA CHECK ENGING WARNING LIGHT [ny04sienna] by ateixeira Feb 24, 2009 (2:01 pm)
Replying to: ny04sienna (Feb 24, 2009 11:13 am) I'd be looking for another dealer...
#80 of 90 2003 Sienna p0441, p0442, p0446 by 03sienna Mar 01, 2009 (8:39 pm)
140,000 miles - car passes emmissions test levels but fails because of these codes and misfire codes. The CEL is on, and from other post, I checked the following: 1) the gas-cap- it whooshes when I open the tank after being parked for 1 hour. 2) removed the canister - it's lightweight and dry, and does not appear to be cracked, but it had heavy gas fumes. Hoses look new and are tight. 3) solenoid valve at canister - tested fine. Connections are good. 4) upper solenoid valve at air filter - tested fine. Connections are good. 5) upper hose at air filter - looks good. What's next to check? Any advice? Replies to this message: jcz65 (Apr 17, 2009 5:49 pm)
#81 of 90 Re: 2003 Sienna p0441, p0442, p0446 [03sienna] by jcz65 Apr 17, 2009 (5:49 pm)
Replying to: 03sienna (Mar 01, 2009 8:39 pm) No advice but the same issue, replaced o2 sensors the last 2 years but not sure what to do this year. Just had van inspected and same errors po 420,440,441 and 446. Will try the gas cap as this seems the easiest and cheapest thing to try. 2 more payments and Im done but the level of frustration from dealing with this the last 3 years will probably make me trade it in.
#82 of 90 MIL and Power Window? by ecelis Jul 17, 2009 (8:25 am)
My Sienna 98 Malfunction Indicator Light (MIL) came on today. Gas cap was on tight. Two days ago the driver side power window would not work, but after a few hrs it did come back. Are these 2 issues related? Owner's manual says MIL can be either gas problem or electrical problem... Replies to this message: ateixeira (Jul 27, 2009 10:18 am)
#83 of 90 Re: MIL and Power Window? [ecelis] by ateixeira Jul 27, 2009 (10:18 am)
Replying to: ecelis (Jul 17, 2009 8:25 am) Do you have an OBDII scanner? Or can a local parts supply shop let you borrow one? The code helps troubleshoot.
#84 of 90 Re: Blinking red light with key? [ateixeira] by blessed10 Aug 06, 2009 (6:22 am)
Replying to: ateixeira (Feb 09, 2009 11:22 am) Did you ever get an answer to your question bout the blinking red light with key? I'm getting the same warning light and have no idea what it means. I don't have a manual for the 2007 Sienna that I just purchased. I would appreciate any wisdom you could give on this matter! Thanks!
#85 of 90 Re: SRS Warning Light [JeffB1994] by jokerwild4513 Aug 08, 2009 (4:50 pm)
Replying to: JeffB1994 (Dec 09, 2008 6:11 pm) Any idea on how to reset the airbag flashing light? I reset the tire pressure monitor and mine has come on now for almost a week. Is there a way to reset this with a switch under the steering?   Appreciate a response ....Thanks
#86 of 90 Check engine light on 2005 Sienna by earlinger Nov 13, 2009 (3:44 pm)
After an oil change should not the check engine light go off? How can it be reset? Replies to this message: jproc (Nov 16, 2009 2:32 pm) ateixeira (Nov 16, 2009 3:21 pm) earlinger (Nov 16, 2009 3:39 pm)
#87 of 90 Re: Check engine light on 2005 Sienna [earlinger] by jproc Nov 16, 2009 (2:32 pm)
Replying to: earlinger (Nov 13, 2009 3:44 pm) check engine light and oil changes have nothing to do with each other.I don't think you can reset the engine light either

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