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

spark plug check ?

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Old Nov 1, 2017 | 04:36 PM
  #1  
shafner30's Avatar
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spark plug check ?




so I’m getting a random misfire only when the engine is operating temperature and how do these plugs look?

Last edited by shafner30; Nov 1, 2017 at 04:39 PM.
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Old Nov 5, 2017 | 05:57 AM
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Terrys87's Avatar
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From: Anderson Missouri
How many miles are on these plugs? I would like to see plugs 2 and 4 a little cleaner myself if it were mine. Is this a 22r or 22re?

The 85-88 injector connector is a poor design. It could happen on any of the cylinders but Number 1 from my experience can get bumped with common repair or maintenace and I have experienced misfire due to that.

I get my Denso wires from ebay, cap, rotor and plugs from the dealer. Other thing I would check for on a mis fire is the Coil. Do some resistance readings with a repair manual on the primary and secondary of the coil.

Last edited by Terrys87; Nov 5, 2017 at 06:12 AM.
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Old Nov 5, 2017 | 06:49 AM
  #3  
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From: CA, Until TSHTF!
https://www.jackssmallengines.com/di...-a-spark-plug/
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