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My 2004 xr6 automatic sedan starts, idles ok, runs, when I decide to put my foot into it she splutters and coughs and doesn't give me any immediate power. I had the same problem about 14 months ago, I replaced all 6 plugs and coil packs got them off eBay after market not sure if that's the problem but it was running perfectly and had heaps of balls and all of a sudden it's done the same thing. I believe it's the coil packs or a coil pack, someone else is telling me it's possibly the intake manifold gasket. It used to be really loud when I started her up now not so much, I think I'm missing a cylinder can anyone help me? I know how to change coil packs myself but not the intake manifold, not equipped with the needed tools. Cheers mattyxr6.

Posted by Matty Ginn on

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  • Matty Ginn
    Matty Ginn Mar 25, 2020

    Runs cold even in summer, never hits a quarter.

  • Matty Ginn
    Matty Ginn Mar 25, 2020

    Just incase theres a few people out there that want to respond, I'm after advice for a BA falcon done 240 ks

  • Matty Ginn
    Matty Ginn Mar 26, 2020

    All done, 45 mins. Number 6 wasn't firing. I Checked the plug it was fine, replaced the coil and back to burn outs.

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1 Answer

Larry Ng

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  • Master
  • 5,911 Answers

Well gee, lots of cause here, (spark and fuel or dead cylinder in the engine)
first of all you failed to scan the PCM with OBD2 scan tool.
in USA? ??
scan it first, see P03xx codes that is park or injectors failing
wha codes You get IDK , but matters BIG TIME
you can not fix cars guessing, only tools + skills matter. and work.
no/low power can be bad MAF or MAF sensor.
or low fuel pressure
and more , Im not listing all 25 things here not asking you to guess.
a car that will not move, you need tools. OBD2 scan tool first.
and more, lots more ask.

had to read this 10 times
heaps of balls decodes to has full engine power before, as all cars did.
but not now,
Gue$$ing can cost huge huge amounts of cash.
The testing is seriel process, and RESults EACH TAKES ME TO MORE TESTS. AND THEN THE ANSWER, EVERY TIME.
ASE classes teach all this.

Posted on Mar 25, 2020

  • Matty Ginn
    Matty Ginn Mar 26, 2020

    Like I said it is acting the same way it did before when a mechanic replaced all the plugs and all the coils. Never had a problem until the other day, seems you don't have to be a mechanic to have common sense. It was the number 6 coil, replaced it this morning, sideways this arvo with full power. YouTube mate, if you can follow instructions anyone can do it.

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5 Related Answers

motor1258

Mike Butler

  • 6674 Answers

SOURCE: cylinder layout and coil pack numbers for 1993

try this. firing order is 1,2,3,4,5,6.dc1ac54.jpg

Posted on Jan 01, 2010

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Geoff Walton

  • 819 Answers

SOURCE: I have a 2002 TrailBlazer with the straight

did you replace only one spark plug? that can cause issues because of differences in resistances between cylinders. also, did the map code stay off after replacing
?

Posted on Feb 28, 2010

kevingsuzuki

  • 752 Answers

SOURCE: i have replaced coil pack, plugs, all three

P0150 Oxy Sensor Circuit Bank 2, Sensor 1. P0151 Oxy Sensor Circuit Lo ...
oyur o2 sensor is bad on bank 2 is opposite from number one cylinder should be passenger side intake manifold o2 sensorfirst sensor there needs replacing

Posted on Mar 06, 2010

Anonymous

  • 196 Answers

SOURCE: 1999 lincoln continental starting problems it will

no timing has not changed i would try crank sensor ,and change number 4 plug and coil pack

Posted on May 07, 2010

Freddy

  • 1311 Answers

SOURCE: 2004 CHEVY TRAILBLAZER 4.2 LTR CHANGED PLUGS, COIL

Throttle body needs to be cleaned.

Posted on Sep 11, 2010

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