Author Topic: engine stubles and misses when under 180 degrees?  (Read 1138 times)

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84_yota_4wd

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engine stubles and misses when under 180 degrees?
« on: Sep 24, 2008, 05:33:00 PM »
hey guys i put a used engine in my pickup, its 22r-e it was out of an 86 so the head was double drilled for efi and a carb setup. i ended up rebuilding the carb off my old engine and using the old setup for the time being.

I have upgraded and replaced several things during the build. I went to ngk platinum plugs and ngk high pro wires, replaced the fuel pump and filter, flomaster, k&n air filter, along with flushing the engine with napa engine flush and changing the oil every 1000 miles to clean all the gunk out. i also run lucas oil stabilizer. i have done evrything i can think of to make this engine like new or better.

I have have problem with the truck sputtering and missing when it is cold under 180 degrees but as soon as it hits 180 it runs great no misses no sputter and even has a good deal of power for a 22r.

i have ruled out the timing, as its at a factory setting of 8 degrees, and i know its getting plenty of fuel. intake valves are set at .008 and exhaust valves arer set at .012 as well.

i just cant figure this one out :hammerhead: anyone have a clue :idea:
 

Thanks mitchell
Marlin Crawler
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Marlin

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I have seen this problem caused by faulty vacume lines. Make sure that you are not getting vacume at the EGR valve when the engine is cold. Try removing and plugging the vacume hose on the top of the EGR valve and road test the truck.

Marlin
1980 Toyota - 1997 3RZ-FE 2.7l Engine, Turbo R151F 4.31:1, Triple Turbo Marlin Crawler Billet (2.28x4.70x4.70) = 1,148:1 Crawl Ratio, Marlin Crawler Twin Stick and Short Throw Shift Kits, 30mm H/D Output Shaft, High Angle Drive Lines, 5.29:1, ARBs, High Pinion Front, 25mm HD Billet High Steer Kit, 6 Pin Locking Hub Bodies, 86+ Wide Rear End, V6 3rd member, Chromolly Axles all around, 37" IROKs with Beadlocks, York onboard air - Rollbar air tank, Premier Power Welder, Marlin Crawler 4" USA-made Leaf Springs, Bilstein Shocks, et cetera....

84_yota_4wd [OP]

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thanks ill give that a try for sure
Marlin Crawler
Developers of the longest lasting and most successful
Toyota Transfer case, Transmission, and Differential products on the planet
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