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86-95 Trucks & 4Runners 2nd/3rd gen pickups, and 1st/2nd gen 4Runners with IFS

Sudden loss of power

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Old Mar 29, 2015 | 01:06 PM
  #1  
oregonia's Avatar
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Sudden loss of power

I'd be cruising at 60mph, in my 91 3 liter pickup and suddenly for 1/4 second, it was as though someone had switched off the engine and then turned it back on again. Any ideas of what the problem might be
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Old Mar 29, 2015 | 06:56 PM
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Check engine light? Maybe an O2 sensor? Running rich?

Last edited by 7.62x51ar; Mar 29, 2015 at 06:57 PM.
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Old Mar 30, 2015 | 05:24 AM
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From: middle of the desert north of kingman az
Talking

Originally Posted by oregonia
I'd be cruising at 60mph, in my 91 3 liter pickup and suddenly for 1/4 second, it was as though someone had switched off the engine and then turned it back on again. Any ideas of what the problem might be
Quit dragging your foot

check your coil wire, if you have one.

check your transducer gap

check your distributor bearing, transducer rotor may be lifting out of range of the transducer.

check your throttle position sensor

check your maf sensor

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