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Toyota 4Runner Maintenance and Repair

2496 messages,  Last post on Nov 09, 2009 at 4:46 PM

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#1477 of 2496 04 V8 Sport Engine ping only when starting by tangman Dec 20, 2005 (12:23 am)
Has anyone experienced an engine ping (ticking noise) when you first start the truck for about a minutes. It is worse if the vehicles has not been started for a week and the weather is cold. Otherwise, the vehicle is great. Similar experiences out there???? Replies to this message: neumie2000 (Dec 20, 2005 5:25 am) grahmm (Dec 20, 2005 6:02 pm)
#1478 of 2496 Re: 04 V8 Sport Engine ping only when starting [tangman] by neumie2000 Dec 20, 2005 (5:25 am)
Replying to: tangman (Dec 20, 2005 12:23 am) I have an 05 V8 and it does the same thing. It only occurs, as you said, when it is cold (below 30 degrees) and I only notice it when the rpms jump to about 2000 upon startup. My first winter, I was running conventional oil....this winter, I have changed to full synthetic and the tick has been reduced noticeable....likely because the synthetic oil is better in colder conditions. Try some synthetic to see if the noise is lessened, but I believe that the noise is completely normal.
#1479 of 2496 04 V8 Sport Engine ping only when starting by tangman by kullenberg Dec 20, 2005 (7:19 am)
I have the same vehicle, and it does the same thing, occasionally, when it's cold. It sounds like a fuel injector clicking. Every so often, I try to put a tankfull of Chevron gas with the "techron", which seems to help keep the injectors clean. May be "snake oil", but it seems to work.
#1480 of 2496 Re: 95 4runner making "whirling noise" [sssimoni] by nippononly Dec 20, 2005 (8:45 am)
Replying to: sssimoni (Dec 19, 2005 12:54 pm) The "whirling noise" you hear is the radiator fan - it is normal for the clutch to engage for a minute when you first start the car, in fact it is a great way to tell the fan clutch is still working. If you ever stop hearing that sound at startup, it will be a bad sign!   I am surprised you have only just started hearing it at 160K miles though - did you just get this truck recently?
#1481 of 2496 Re: 04 V8 Sport Engine ping only when starting [tangman] by grahmm Dec 20, 2005 (6:02 pm)
Replying to: tangman (Dec 20, 2005 12:23 am) What you are probably hearing is the fuel injectors firing/snapping. They act like electric squirt guns. Since the engine is built to run warm the cold enrichment system cuts in meaning the fuel injectors are working harder delivering more fuel to make the engine run rich (to keep it running) until the engine is warmed up enough and the mixture leans out for normal driving conditions. This is normal and not to be concerned about.
#1482 of 2496 Re: Problem with engaging/disengaging 4WD [clemdia] by clemdia Dec 23, 2005 (2:28 pm)
Replying to: clemdia (Dec 09, 2005 11:19 am) (FWIW, a little disappointed that noone replied to this post -- to see why, read below).   After all of the diagnoses, I went with the advice of the Toyota dealer and replaced the transfer case. I have a friend in the parts business locally, so he got me the new transfer case for *only* $2,000 *rather than the $3,000 the dealer quoted). This did not fix the problem. The car is back to the dealer who has offered to "re-diagnose" the problem for free (the first, incorrect diagnosis cost me $400!!).   If ANYONE out there has any ideas on what would cause a 99 4Runner Ltd to become stuck in 4WD with the indicator light flashing, I would love to hear from you --   This is getting expensive (and even though it is a Toyota, it is a 6 year old car).   Thanks Replies to this message: grahmm (Dec 23, 2005 10:45 pm) clemdia (Dec 18, 2003 9:00 pm) rocksolidtubes (Dec 31, 2005 8:34 pm) and 1 more... chuck1 (Dec 24, 2005 9:47 am)
#1483 of 2496 Re: Problem with engaging/disengaging 4WD [clemdia] by grahmm Dec 23, 2005 (10:45 pm)
Replying to: clemdia (Dec 23, 2005 2:28 pm) Contact Toyota directly. Explain what was diagnosed by dealer and the out of pocket expense based on their diagnosis. They will usually try and assist. Also might want to contact whatever agency governs auto shop practices in your state (it might help recoup some of the loss). Toyota (company not dealer) might have a tech team that could assist. If you bought a Toyota part have the part number available. Replies to this message: clemdia (Dec 18, 2003 9:00 pm) rocksolidtubes (Dec 31, 2005 8:34 pm) clemdia (Jan 05, 2006 4:00 pm)
#1484 of 2496 Re: Problem with engaging/disengaging 4WD [clemdia] by chuck1 Dec 24, 2005 (9:47 am)
Replying to: clemdia (Dec 23, 2005 2:28 pm) "This is getting expensive (and even though it is a Toyota, it is a 6 year old car)."   If they can't tell you for sure what is wrong with it-get rid of it. To put more money in to a 6 year old car is a bad thing to do.
#1485 of 2496 Re: Problem with engaging/disengaging 4WD [grahmm] by clemdia Dec 26, 2005 (9:59 am)
Replying to: grahmm (Dec 23, 2005 10:45 pm) "Contact Toyota directly."   Good advice -- Toyota Corporate said they'll forward my question ("What can cause 4WD-only and flashing indicator lights besides bad transfer case motor...").   I hope they have some inexpensive possibilities to share. The dealer is very apologetic and seems cooperative so far ("Mea culpa...") so my fingers are crossed.   Still, if anyone here is knowledgable about 4Runners and has any ideas, I'd love to hear from you... Replies to this message: rocksolidtubes (Dec 31, 2005 8:34 pm) clemdia (Jan 05, 2006 4:00 pm)
#1486 of 2496 Re: Awful Smell [jmorabito25] by kymmyjo Dec 27, 2005 (8:05 pm)
Replying to: jmorabito25 (Dec 06, 2005 11:43 am) I had the same problem with my 2004 Limited. I had the issue fixed as well but was told to use premium gas every other tank. It fixed the sulfer smell problem. No more cheap gas for me. It was a small price to pay for not being stinky anymore.

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