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Toyota Tundra New Owner Reports

1964 messages,  Last post on Nov 25, 2009 at 7:46 AM

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#1962 of 1964 Re: Increased gas mileage [riser] by 1972ck Jun 11, 2009 (2:33 pm)
Replying to: riser (May 04, 2009 11:38 am) I had a K&N intake on my last Tundra and it reacted the exact opposite way. It decreased my fuel economy. If the engine is sucking in more air then the air/fuel ratio sensor adjusts the fuel accordingly. My mileage went down not up, I wasn't impressed to say the least.
#1963 of 1964 Re: Tire options? by mrtoad3 Jul 07, 2009 (8:51 am)
Replying to: cruemax08 (May 21, 2009 9:51 am) I would like to know what size tires I can upgrade to after a leveling suspension kit is installed. I got 2 " front lift so now the '08 Tundra dblcab rides level. I have the 18" TRD rims and stock 275/65/18's. Can I go with a bigger tire or just stay with stock size without changing rolling rates too much? Thanks.
#1964 of 1964 2007 Toyota Tundra Engine Noise by dt4 Nov 25, 2009 (7:46 am)
I am approaching 40,000 miles on the 5.7 liter engine. At start up it sounds like a diesel and has always done this. However, at full operating temprature it makes sounds like the valves are knocking or like low octane gas. I have run 93 octane gas and this does not help. Going up hills seem to make it a lot more noticeable or when the engine has a load on it. Took to the dealer and the service manager and I drove the truck around and he says it is the exhaust resonator at the back of the engine doing this. However at first they told me it was the variable valve timeing doing this on a previous visit. Has anyone out there heard this BS from any Toyota dealers? Everyone at Toyota seems to think this is normal.

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