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Pickups Toyota Tundra Toyota Tundra Engine Issues
73 messages, Last post on Jul 26, 2009 at 4:33 AM
You are in the Toyota Tundra Forum. Your Host is kcram
| I was told that on some Toyota vehicles that you have to replace the mass air flow sensor to realize the full benefit of a cold air intake system. Is this true? I am also curious as to the noise level of the Borla cat back system. I have decided to spend some money on my current Tundra to prevent the purchase of a new one. Thanks. | |
I have a 2004 toyota tundra I just bought and notice that when I start it up when cold I get a lot of blue smoke for a few minutes than goes away I had it check out at the dealer and they said everything was fine, I really don't like it, I did not notice this when I bought it two months ago, could it be the oil? its running standard 5-30 oil,they say no, some say use synthetic oil does this help? I only have 36000 miles on it, it does have a superchager and headers with daul exhaust from the factory. any info would help.
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| it sounds like worn rings or valvue guides.have a compression test run to see if all the cyl. are equal & up to factory spec. | |
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Replying to: gts4 (Apr 08, 2007 8:06 am) the other party that replied to you, is probably correct. I would probably suspect the valve seals and or the rings as the rulpret. And I want to ask, a supercharger or a turbo- charger. There is a distinct difference. Is it belt driven, or powered off of the exhaust. If this is the case, either way you are probably running to much boost; which would cause the seals on the valve or too much boost would be putting too much pressure to the indiviual block bores. That maybe why you are experiencing the deadly blue smoke. Be concerned! |
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Did anyone ever post a link to a PDF on changing the oil filter? What a hassle. Other than this, I love my truck!
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Replying to: buzzwa (Jul 10, 2007 5:16 pm) |
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| I have a 2007 Tundra with the 5.7L engine. I was just wondering for all the people with the same engine size, how high your truck RPM's jump to in the morning startup, and about how long it takes before the RPM's drop below 1000. My truck's RPM's jump to about 2000 RPM's and don't drop below 1000 until about 45 seconds to a minute after startup. I know all about cold startups and how its normal for the RPM's to be higher in the morning due to colder temperatures, but I dont ever remember my truck's RPM's jumping that high and taking so long to lower to a normal RPM. So Im just curious as to how your trucks are in the morning? | |
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