2004 Dodge Stratus Misfire after Plug and Wire replacement

Tiny
CORPSVETTE
  • MEMBER
  • 2004 DODGE STRATUS
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 99,000 MILES
Prior to replacement of plugs and wires engine ran fine minus a VERY intermittent misfire on cylinder 4. Now having installed new plugs and wires the engine runs incredibly rough and tries to stall. When placed in drive or reverse the entire vehicle will begin to shake violently. I then removed the plugs and wires and put the old ones back on to see if the proglem was the new parts. Even with the old plugs and wires the engine will misfire horribly.
Currently there are no dtc's though I have not driven the vehicle under these rough conditions to allow it to process a drive cycle. The only thing I can think of is a coil went bad during removal and installation of new plugs, I just don't want to throw parts at the car without knowing the cause of trouble.

Thanks for any help.
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Sunday, November 22nd, 2009 AT 8:37 AM

8 Replies

Tiny
MERLIN2021
  • EXPERT
Re check your firing order, and plug wire installation. 2.0 it is 1-3-4-2 The cylinders run from 1-4 from front (right side) to back(left side)
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Sunday, November 22nd, 2009 AT 8:43 AM
Tiny
CORPSVETTE
  • MEMBER
Just double checked, this how I have them routed.


http://www.2carpros.com/forum/automotive_pictures/438347_CIMG0002_1.jpg

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Sunday, November 22nd, 2009 AT 9:08 AM
Tiny
MERLIN2021
  • EXPERT
This is a tech bulliten on 2.4 engine plugs, I dont think it would cause your problem, but you never know...NEW SPARK PLUG FOR 2.4L ENGINE TECHNICAL SERVICE BULLETIN Reference Number(s): 08-008-04, Date of Issue: March 02, 2004 CHRYSLER: 2003-2004 Sebring Convertible/Sebring Sedan (JR), PT Cruiser (PT), Voyager (RG), Town & Country (RS) DODGE: 2003-2004 Caravan (RS), Stratus Sedan (JR) JEEP: 2002-2004 Liberty (KJ)/Cherokee; 2003-2004 Wrangler (TJ) GROUP: Electrical Superceded Bulletin(s): 08-034-03, Date of Issue: November 28, 2003 Related Ref Number(s): 08-008-04, 08-034-03 ARTICLE BEGINNING MODELS NOTE: This bulletin supersedes service bulletin 08-034-03 dated November 28, 2003, which should be removed from your files. This bulletin includes additional models. 2003-2004 (JR) Sebring Convertible/Sebring Sedan/Stratus Sedan 2002-2004 (KJ) Liberty/Cherokee 2003-2004 (PT) PT Cruiser 2003-2004 (RG) Chrysler Voyager 2003-2004 (RS) Town & Country/Caravan/Voyager 2003-2004 (TJ) Wrangler NOTE: This bulletin applies to vehicles equipped with a naturally aspirated (non-turbo) 2.4L engine (either sale code ED1 or EDZ). DISCUSSION
Page 1 of 2 NEW SPARK PLUG FOR 2.4L ENGINE -2004 Dodge Stratus SE


http://www.2carpros.com/forum/automotive_pictures/62217_plugs_1.jpg

The new style spark plug is now recommended and preferred for use in all 2004 model year vehicles and all prior model year vehicles that are equipped with a 2.4L engine. See above table and verify correct engine sales code. NOTE: To eliminate concerns of a possible high secondary ignition voltage flashover, caused by a thermal set of the ignition cable spark plug boot(s) to the old style spark plug (RE14MCC5), install new ignition cables when replacing the old style spark plugs (RE14MCC5) with the new style spark plug(s) (RE16MC or LZTR4A-11) for the first time. POLICY Information Only.
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Sunday, November 22nd, 2009 AT 9:23 AM
Tiny
CORPSVETTE
  • MEMBER
I put the original spark plugs back in and still have the same problem. If it were solely the fault of the plugs and wires, installing the original worn out parts should have returned the vehicle to at least a driveable state I would think.
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Sunday, November 22nd, 2009 AT 9:32 AM
Tiny
EAHAUKOM
  • MEMBER
I am having the same problem with my 2000 Stratus, I just got a new distributor, cap, spark plugs and wires. It drove fine for about a week and then started misfiring in reverse and first, shaking violently until finally thunping into second gear. I hope there is a reasonable answer to this, for your sake and mine.
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Sunday, November 22nd, 2009 AT 9:40 AM
Tiny
MERLIN2021
  • EXPERT
Going by what I found in this diagram, you did install your plug wires incorrectly, re do them as shown in picture!


http://www.2carpros.com/forum/automotive_pictures/62217_Firing_Order_24_1.jpg

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Sunday, November 22nd, 2009 AT 9:49 AM
Tiny
CORPSVETTE
  • MEMBER
Attention to details you foil me again!
That'll teach me not to do favours for friends when i'm tired LOL!

Thanks for all the help!
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Sunday, November 22nd, 2009 AT 9:58 AM
Tiny
MERLIN2021
  • EXPERT
Thaks for the points, so all is well.
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Sunday, November 22nd, 2009 AT 10:38 AM

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