Question about 2003 Dodge Neon

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I have missfire in #4 cylinder 2000 doge neon

Runs pretty rough ideal improves a little as the car worms up lack of power in all ranges

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  • John Rishky Feb 13, 2013

    I ran diag test code #p-1684 came up?

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  • Dodge Master
  • 21,873 Answers

I'm not sure that is a valid trouble code for your car. The code for Dodge is for a wastegate solenoid which is normally used on turbo engines.
The miss could be ignition, fuel, or something mechanical.

Posted on Feb 13, 2013

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6 Suggested Answers

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6ya staff

  • 2 Answers

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Posted on Jan 02, 2017

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jimmy

  • 17 Answers

SOURCE: 1995 Plymouth Neon Running rough now wont start

it could be, but first you might want to run a onboard dianostic. turn your key on and off (not to run position) 3 times, on the third time leave the key on your engine light will blink out codes.
(like for 12 it will blink once pause then blink 2 more times.) try this then let me know what the code is.
hope this helps

Posted on Jul 01, 2009

patrick

  • 64 Answers

SOURCE: 95 neon idle is rough reeplaced egr valve and still running rough

coil pack, mine did same.

Posted on Mar 30, 2010

megzee96

  • 50 Answers

SOURCE: On a 1998 dodge stratus 2.4 ltr engine misfire

check compression,with engine running remove h/t leads 1 at a time to diagnose weak cylinder,check that cylinder has the same amount of spark ( jumps the same gap as others )try changing the plug from crook cylinder to a good one and note if miss follows that spark plug or stays with same cylinder,can do same with injectors but only perform one procedure at a time so you can determine which one works.

Posted on May 16, 2010

jason jackson

  • 395 Answers

SOURCE: 2003 DOGE NEON IGNITION .LIGHTS, POWER COMES ON

replace the ignition switch
The ignition switch is usually mounted to the steering column and is operated by a linkage rod.
NOTE On column-mounted ignition switches, don't confuse the switch with the lock cylinder and keys. The ignition switch is not normally visible. On some vehicles, the steering column support has to be removed and the column lowered to find the ignition switch. On others, the switch is accessible under the dash.
f32-17gif.gif The ignition switch is operated by the key switch. Courtesy of Ford Motor Company. To replace the switch:

  • Remove the ignition switch wiring harness.
  • Unbolt it from its position.
  • Bolt the new switch into position.
  • Attach the witing harness.

Posted on May 23, 2010

benmuscleand

  • 50 Answers

SOURCE: P0304 alarm on my 2000

P0304 means cyl 4 misfire check your plugs or leads on this cyl .

Posted on Oct 06, 2010

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I think I would try the easiest thing to fix and then see how much straightened out. The fuel tank vacuum will probably be a gas cap not on tight or defective or a gas vapor line has a hole in it. You may need a smoker to find that leak if the gascap is okay,

Bank 1 should have cylinders 1,2,3,4. Since 3 cylinders that are in the same bank are misfiring it must be lack of fuel or bad spark. The tester said that bank was lean. If the plugs were not firing it would be rich with unburned fuel. The tester also indicated the other fuel tank vacuum bleed problem.

You might try the power connector for the Bank 1 injectors or check the injector wiring for #2,3,and 4 to see if they are getting power.

Remember to clear the diagnostic meter to see if the trouble codes return. Would be interested in the outcome.

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98 ford expidition 4.6 codes current po171 po174 and has po304 and po308 veh idles little rough repaire vaccumat rear of throttle body,is this a lower plenium leak veh has 177,00 mileson it


hi guess your engine has lack of power also a rough tick over ?your codes tell me you are running lean on bank 1and2 this can be due to many things its a matter of checking of one at a time 1 a bad coolant temp sensor 2vacuum leak 3 dirty injectors also reach over the top of your engine behind the intake dead centre of the windscreen there is a 9odeg rubber elbox check for a hole if thats your problem its only 3usd good luck please rate this answer thanks pete

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1996 Plymouth Neon 2.0 installed new timeing belt and now car is only running on two cylinders, in cylinder two a missfire was detected and random multiple cylinder missfire


You have the timing belt off. If the engine computer sees the Crank sensor and the cam sensor don't line up, the engine computer will shut down two injectors. It sounds stupid, but trust me. I have seen this before.

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