84-85 Trucks & 4Runners 2nd gen pickups and 1st gen 4Runners with solid front axles

85 4runna misses

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Old Jul 20, 2018 | 07:21 PM
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Baronvondizzle's Avatar
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85 4runna misses

85 4runner 4X EFI. Ran great to work. After work driving home, truck was low idle (dies when off the throttle), hiccups/stalls during acceleration, misses until reach high rpm and runs great. Will only idle when warm. 3 days later still runs same after new coil, cap rotor wires n plugs. Fuel pump and flit changed about 7months ago. Compression was 190,180, 165, 185. No codes. Need help.

Last edited by Baronvondizzle; Jul 20, 2018 at 07:23 PM. Reason: Make clear
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Old Jul 20, 2018 | 11:31 PM
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rube's Avatar
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From: Kaneohe Hawaii
it sounds like a bad throttle position sensor to me. download a factory service manual for testing instructions. i would also check your timing and double check your firing order. hope that helps!
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Old Jul 24, 2018 | 04:29 PM
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L5wolvesf's Avatar
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From: Northern AZ
Originally Posted by Baronvondizzle
Compression was 190,180, 165, 185.
That 190 165 spread isn't a happy thing. You sure it's right and was done properly?
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