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V6 mk triton misfiring under acceleration

I have a 98 mk triton 3.0 V6. under full acceleration it drops a cylinder and hesitates. it doesnt do it if i accelerate slowly. im thinking that its not plugs or leads because it doesnt do it all the time. pls help

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Replace o2 sensor and ECU might need an software update done by ur local dealer.Post by AUTOMOTIVE DIAGNOSTIC FIELD SERVICE South Africa

Posted on Feb 23, 2013

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6ya6ya
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Posted on Jan 02, 2017

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sdidntdoit
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SOURCE: stutters/hesitates on initial acceleration. 4.3L

"initial acceleration", meaning in the morning when you start it up or when youre at a stop light and you go to floor it after the vehicle is warmed up?

a few things to check out:
fuel injectors, fuel in the tank, and fuel pressure regulator and fuel pump. low fuel pressure can cause bad acceleration

ignition cables (plug wires), plugs, coils, etc.

is your check engine light on? if so you either have a bad sensor or a bad actuator to the pcm (powertrain control module) THAT will definantly cause it. it will ignore all sensors if it goes into open loop and it will **** more fuel and it wont perform.

if the check engine light is on, take it to a place with free scan tool readings. autozone has this. they will probably tell you its an O2 sensor (oxygen sensor) problem if theres any mixture issues at all. dont always believe the scan tool reading there, just use it to point you in the right direction. its somewhat accurate for most other things, but O2 sensors very seldom actually go bad. its basically shooting the messenger.

Posted on Aug 21, 2010

  • 2 Answers

SOURCE: 1997 dodge ram 1500 v6,i have a misfire,ive changed plugs,wires,distributor cap,rotor cap,fuel pump,rollover valve,coil,still has a miss

you can try changing the ignition coil, I own a 97 Dodge 1500 and mine did the same and thats what i had to do.

Posted on Oct 08, 2008

  • 1 Answer

SOURCE: Audi v6 2.8l (AAH) warm misfire at idle

It is necessary to replace rings on pistons.

Posted on Dec 21, 2008

  • 30 Answers

SOURCE: 1996 plymouth voyager 3.3 v6 code of rand/multiple misfire

try air flow meter

Posted on Mar 30, 2009

  • 1201 Answers

SOURCE: 2001 Ford E150, V6. Stutter/hesitation upon

Have the throttle position sensor checked, might be faulty.

Posted on Oct 01, 2009

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