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Toyota 4Runner: Ignition Systems

12 messages,  Last post on Nov 27, 2009 at 11:18 PM

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What is this discussion about? Toyota 4Runner, Electrical, SUV

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#6 of 12 Re: 95 Toyota pick-up ignition problems, I think. [bobgordon] by biglatka Jul 03, 2006 (9:49 am)
Replying to: bobgordon (Jul 02, 2006 3:19 pm) Thanks bobgordon for the excellent instructions on cleaning the MAS.
#7 of 12 Re: 95 Toyota pick-up ignition problems, I think. [bobgordon] by wdp Jul 03, 2006 (10:58 am)
Replying to: bobgordon (Jul 02, 2006 3:19 pm) Thanks for the advice. The air flow meter on my truck (3VZ-E engine) is the vane type air flow meter so it does not have the fine wire screen that you referred to. It looks clean to me and seems to be operating fine. This morning when I started the truck, it started right up but would only stay running while revving at about 2500-3000 rpm. Once I let off, it slowed to idle and would stall. Only after about 30 minutes of this would it eventually idle on its own but very rough and at about 1200. I think I read somewhere that 800 is the idel rpm. It is later in the day now and it seems to start and run fine with an idle about 800 but still very rough. I sprayed all the ignition wires and distributor cap, etc with fine spray of water and could not make it stall or even slow any so that all seems to be OK. It is still returning the same codes though (14, 25 and 26). I am not sure what to do next.
#8 of 12 Mass Air Flow Sensor by cshill Aug 28, 2006 (12:43 pm)
I had my oil changed last month and the during the process of changing the oil the company spilled oil on the engine and used a hose to wash off the oil. When I got the car back the engine was very sluggish and had very little power. It was determined that water had gotten into the engine through the air intake. Within an hour of this occurring the check engine light came on so I had it check and was told that the Mass Air Flow Sensor was burned out. Since the engine was struggling so hard to run due to the water, could this have caused the sensor burn out?   Thanks
#9 of 12 start and die by sunday420 Jun 22, 2007 (2:45 am)
I have a 2000 4runner limited with 90k miles. Runs great accept for it rarely starts then dies. Engine ingages and dies. If I hold the gas it stays started but lacks power. It had this problem twice before but started after a few minutes and ran fine. I cannot put into gear cause it dies when i let off the gas. help
#10 of 12 2007 4 runner by drcarla Feb 05, 2009 (1:02 pm)
I have a 2007 4 runner. After shutting the vehicle off and letting it sit for a few minutes, when I try and start it, it cranks over and over without starting. When I turn it off and start again, it works. I only have 11,000 miles on it and it is still under warantee.    Any ideas? Replies to this message: tidester (Feb 05, 2009 4:11 pm)
#11 of 12 Re: 2007 4 runner [drcarla] by tidester HOST Feb 05, 2009 (4:11 pm)
Replying to: drcarla (Feb 05, 2009 1:02 pm) It could just be a battery problem possibly related to cold weather. Does the problem vary with ambient temperature?   tidester, host SUVs and Smart Shopper
#12 of 12 Re: 2000 4Runner w/ similar problem by cleahy Nov 27, 2009 (11:18 pm)
Replying to: bobgordon (Jul 02, 2006 3:19 pm) I had the mass flow sensor replaced and the check engine light came back on. My mechanic said that the sensor was actually dirty (he mentioned the K&N may have not been completely dry??), cleaned it and the light stayed off of 4 months. Came on again today, can I clean it myself? I know you responed w/ direction but for a 95 4runner, will the same work for mine? I'd rather not have to go back to the mechanic...Also, should I use a different aircleaner? I heard that one could also cut a large hole in the front of the air cleaner box and block off the elbow to get better airflow, is that true/worth it? Thank you in advance!

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