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Toyota 4Runner Engine and Performance Problems

6 messages,  Last post on Feb 24, 2008 at 12:31 AM

You are in the Toyota 4Runner Forum.

What is this discussion about? Toyota 4Runner, Fuel System, SUV

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#1 of 6 vaccum hoses running off of plenum by ranger4runner

Oct 28, 2007 (11:04 am)

I have a 1995 Toyota 4 runner with a 3.0 efi 3vze engine and I have recentley rebuilt it. now I am all ass backwards with the fuel and vaccum lines running off of the intake plenum on the passanger side. if anyone can help me that would be great. thanks.

#3 of 6 99 4Runner running lean by rediranch

Nov 12, 2007 (12:24 pm)

Replying to: ranger4runner (Oct 28, 2007 11:04 am)
My 4Runner has been knocking and pinging, nad now the check engine light came on. The scanner said it's running lean.
 
Would that mean that I have to replace the knock sensors to fix this?

#4 of 6 Re: 99 4Runner running lean [rediranch] by dkrazydingo

Nov 16, 2007 (5:56 pm)

Replying to: rediranch (Nov 12, 2007 12:24 pm)
it might be the mass air flow sensor has gone bad. I had the same issue and took a long time to findout it was that little piece. You can go to your local auto shop and ask for it. It should cost you only about $75 and you can do it yourself.

#5 of 6 whats wrong with my runner? :( by purpleurkel

Dec 28, 2007 (10:07 am)

I have a 95 4runner SR5 V6 Automatic, I had the transmission rebuilt and everything was great I got around 300+ Miles on a full tank of gas and had lots of power and could burn rubber by stomping on the gas, then I rear ended a mini van doing about 30mph and I replaced the bumper/grill and radiator/fan, my push bumper really helped reduce the damage, but ever since that accident I have lost a huge amount of power and not only that I now only get 130-150 miles to a full tank of gas, this thing burns so much gas now I only get around 30 miles to a quarter tank and I stomp on the gas and barely move, it feels like I am in a lower gear or not pushing the exhaust out fast enough but the muffler shop said the exhaust is fine and the tranny shop said the tranny was fine so I really dont know where to go. it seems like mechanics dont listen to my explanation of the problem and just say "those engines dont have alot of power" BS! just before my accident I was burning rubber and got a little over 300 miles to a full tank, please help!

#6 of 6 how do I adjust the timing on my '95 4 runner? by mattlesley

Feb 24, 2008 (12:31 am)

I had to replace a water pump today, actually yesterday, and after getting everything apart, I decided I should do the timing belt too. I got it all put back together. I don't think the crank shaft moved, and the cam shafts ddid not move, but now she doesn't want to start at all. acts like the timing is off. HELP

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