Question about 2004 Toyota RAV4
Sounds like the freewhell clutch on the alternator is worn and not spinning the alternator fast enough at low revs to put a charge into the battery.
Posted on Nov 21, 2014
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Posted on Jan 02, 2017
Had something similar with my 2wd 2004. When I first bought the car saw this 1 time in the first 25K miles, but not again until 6 months ago. I now have 94K and all the MIL laps lit up, but it only appread during high speed driving. (50 mph+). After driving around town slower, the lights would go off. (VSC lights, and all would come on). The dealership troubleshot and told me it was a steering position switch (which they said they hadn't seen in a Highlander go bad, but the computer and tech assured me that was the problem. $700 (300 parts, 400 labor).!! I made it clear that it better be the fix. After I got the car they said they drove it and the problem was gone. I took it out on the expressway and the lights came back on. I came back and took the technician for a drive and showed him. He scanned again and found a metal piece stuck in the ABS pick-up in the drivers rear wheel. Removed chunk, reset codes, problem resolved. Dealer swears I had a bad position switch but I don't believe it. The upside is with almost 100K miles, other than oil, 1 set of brakes and i set of tires, thats the only repair on this vehicle.
Also for those that have A/C heat problems, pull the knob off of the heat/cool selector (red/blue) and tighten the nut that holds the potentiometer on, I learned this from another forum and found my loose!
Posted on Dec 02, 2008
Not sure what is causing it, but it sounds like you're running on 3 cyllinders. Check plugs, wires, timing . timing belt may have jumped, bad injector, low fuel pressure.
Posted on May 13, 2009
The EGR and the lift sensor may look perfect from the outside but the under side of the EGR valve and the EGR passage (small tube) are the REAL WORKING parts.
The carbon inside the EGR passage tube and the underside of the EGR valve must to clean out.
Make sure you has a NEW EGR gasket before you start the job.
It's a 2-3 hours job.
If you do not clean the EGR passage tube the Nox emission will get higher (check you past emission reports).
Posted on Dec 03, 2009
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