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Isn't someone here a Toyota tech?

N

notjustair

Well-known Member
I thought I remembered there was one on here - maybe they can help.

I have an 07 Tundra I bought new. It has about 76K miles on it. It is the good pickup so it hasn't been thrashed. I pull the bumper stock trailer with it and that's about its hardest work.

The other day I ran to get some bales and about an hour later jumped in it. It started right up but died after about half a second. It did that five times and then would not start. I disconnected the battery and left it for an hour and then it started right up. My mechanic said there weren't any codes on it - probably reset with the battery disconnected. It hasn't done it since but I don't trust it. It did it once before maybe a year ago but only died twice and then ran fine. What do you think? My first thought was fuel pump but I didn't hit the tank or anything to get it to kick back in. That may show on a code, wouldn't it?

I ordered the pickup right when the new style came out. I love the pickup but have regretted doing that. Up until now Toyota has eaten all of th early "mistakes".
 
If you Google that issue, lots of comments. Something to do with losing the base idle on the drive by wire settings, is the battery original.
If this is the only problem yo have had since 07
regrett nothing.
 
I had a 1991 Toyota pickup, then bought a new 2003 Tundra and also a 2009 Camry. Haven't had any troubles like that. Sounds like a computer glitch to me, or maybe a poor ground connection somewhere.

I drove the '91 for 176,000 miles over 12 years, never had to change the fuel filter. The Tundra will be 13 years old in 2 months, no problems with fuel or electrical at all at 120,000. Camry only has 42,000 miles; no problems with that either.

Those 3 Toyotas have been more reliable than any vehicle that I've ever had, including the company vehicles that I turned in before they got to 60,000 miles.
 
That reminds me of when we borrowed an uncles 21A Massey Harris combine. It would sometimes refuse to start and sometimes would die when running. We changed points, condenser, etc., to no avail. Finally my Dad went and bought a new battery - the engine would start right up every time and stay running with no problems.

If you have an extra battery, you might solve the problem by putting in a new or different battery.
 
Oh no. At last count Toyota was in it for over 16,0000 in repairs. They have covered everything so I can't complain.
 
Does it have the anti theft chip in the key? Do you have 2 keys and perhaps used a different one when it acted up. My 06 Grand Caravan has that type of key. As they are over a hundred dollars each and only avaible from dealer we bought one with chip so both wife and I had a key (car only had one when we bought it) Also bought key that would fit door, no chip needed there, so if acidently would drop key inside car and would lock it could still get inside to get good key. If you acidently grab that non chip key it will act like that. Could also be that chip is going bad.
 
I would recommend a battery test or a new battery first. Then clean the throttle body. As someone stated, these loose their learnedly idle easily. This is caused by a battery pulled too low during cranking, or excessive coking on the throttle plate and bore. Disconnect the battery while cleaning the throttle so it will learn the clean throttle. I see the start and die thing a lot on GM drive by wire vehicles, also.
 
What you describe sounds like fuel percolation in the fuel injection distribution lines. This can happen when the fuel pressure regulator starts to leak slightly rather than hold pressure after being shut off. Once cooled down they "re-pressurize" pretty easy and the system will maintain enough pressure to run normal until next time shut down hot and left for a short period of time. This can also happen if only one of the fuel injectors slowly leaks and bleeds down the system. I would leave a gauge on it to see if it bleeds down fast after shutoff.

Jim
 
A little update to clear up things. It has only done this twice about a year apart. Once with the original battery and once with a new one. It has never done it cold. Once after it set for maybe 30 minutes and once after maybe an hour or so. Both times it had been up to operating temp before it was parked and caused trouble. That makes me think that someone is on to something with the fuel percolation idea. It seems fuel related to me. Even when it wouldn't start at all or was dying there was never a warning light that came on. That makes me think the computer may be out of the equation. It runs like a striped ape and pulls like an ox. I can't see trading a vehicle with that few of miles especially since it is the "good" pickup and gets maybe 5000 miles a year. It does make me nervous, though. It seems every repair is in the thousands.
 
Do not want to be a smart a..., but I keep my Triple AAA renewed. I have had Toyota pickups since 1991 abd never had to walk yet. But, I like the security of AAA even though never used it.
 
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