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Old 03-29-2008, 11:11 AM   #1 (permalink)
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Spark Knock?

My '95 3.4L 5 speed has a pinging spark knock when i accelerate quickly. I have tried using premium fuel with octane booster even and that seems to help but it is still there. So my first question is what octane gas does everyone else put in theirs? Mine seems to run like crap on regular 85. Also how do i solve my spark knock problem? Do i just adjust the timing perhaps?
Thanks,

Nick
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Old 03-29-2008, 01:24 PM   #2 (permalink)
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you cant adjust the timing on that engine. you could try cooler pludgs.
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Old 03-29-2008, 01:59 PM   #3 (permalink)
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If Your Engine Has An Egr Valve Try To Clenit Some Times It Gets Full Of Carbon And Causes Pinging
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Old 03-29-2008, 03:23 PM   #4 (permalink)
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Really you can't adjust the timing? That seems quite odd.
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Old 03-29-2008, 03:25 PM   #5 (permalink)
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Where is the egr valve located on these engines?
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Old 03-29-2008, 04:22 PM   #6 (permalink)
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Sorry Funyguy44444 The Shop Manual That I Have Does Not Show The Location Of The Egr Valve On Engine Model(2uz-fe) Maybe Some One Else Have An Older Shop Manual And May Be Able To Help
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Old 03-29-2008, 04:29 PM   #7 (permalink)
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There is no EGR on the 5vze.
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1992 Pickup V6, 4x4, 5 speed, SR5, 300,000 miles young, every option except automatic tranny

31x10.5R15 | K&N FIPK | Cherry Bomb | 3" BL | 4 110W KC Light Bar | 6'6" Western Plow | 800W 10" Sony | 850W Sound Storm | 2 4" Obcon | 4 1" Rockford Fosgate Tweeters | 2 High Pass Crossovers | 2 High-Low Pass Crossovers | 2 6.5" Rockford Fosgate | Pioneer 4x50W Head Unit | Mechanical Oil Pressure Gage | Lack of EGR | Blinker Mod

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Jason is right.
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Jason rocks!!! :banger:
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Old 03-29-2008, 04:37 PM   #8 (permalink)
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Ok good to know. I have the 5vz-fe. Thanks
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Old 03-29-2008, 04:43 PM   #9 (permalink)
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are you sure there is no egr valve? every auto parts website i've visited sells egr valves for the 5vz-fe.
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Old 03-29-2008, 08:37 PM   #10 (permalink)
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I don't believe that JDM engines have the EGR...
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Old 03-29-2008, 09:34 PM   #11 (permalink)
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http://www.ncttora.com/fsm/2000/Repa...ntrol/loca.pdf

"Another difference between early California and 49 state 3.4 engines is the EGR system. California has it and other states may not. I bought my 3.4 engine in Oregon and it does not have the EGR system. I believe Toyota got rid of it in later Tacomas and 4Runners, just not sure what year."

I guess only some have it.
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1992 Pickup V6, 4x4, 5 speed, SR5, 300,000 miles young, every option except automatic tranny

31x10.5R15 | K&N FIPK | Cherry Bomb | 3" BL | 4 110W KC Light Bar | 6'6" Western Plow | 800W 10" Sony | 850W Sound Storm | 2 4" Obcon | 4 1" Rockford Fosgate Tweeters | 2 High Pass Crossovers | 2 High-Low Pass Crossovers | 2 6.5" Rockford Fosgate | Pioneer 4x50W Head Unit | Mechanical Oil Pressure Gage | Lack of EGR | Blinker Mod

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Jason is right.
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Originally Posted by fishon1213 View Post
Jason rocks!!! :banger:
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Old 03-29-2008, 09:34 PM
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