1998 Dodge Caravan Check Engine Light

Tiny
RCMUTZ
  • MEMBER
  • 1998 DODGE CARAVAN
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 129,000 MILES
I am getting a P305 code and have replaced the wires, distributor cap, rotor, and #5 plug. The car runs without any noticeable problem. RPM is about 600 when in drive and stopped. Never had fuel filter replaced, but wouldn't that show as a misc cylinder misfires? Any ideas what to check/do next?
Tuesday, October 21st, 2008 AT 10:47 AM

4 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Check compression all it takes is a 10 rpm loss when that cylinder fires to set code.
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Tuesday, October 21st, 2008 AT 11:11 AM
Tiny
RCMUTZ
  • MEMBER
  • 5 POSTS
Thanks for the reply.

What is interesting is that last year at this same time it came on, same code. Replacing the wires, plug, and distibutor did not clear it, but then we had to have the water pump (leaking) and timing belt replaced. Code went away and stayed out until just recently when it turned cold again. Any connection? Could it be an injector plugging? We are looking to sell the car and don't want to spend a lot to fix at this point.
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Tuesday, October 21st, 2008 AT 11:50 AM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Yes check injector connection. Wiggle it see if cyl misses also try some Techtron by Chevron to clean fuel system. Great stuff used it for years keeps inj clean. Get at Auto Zone, Advance etc.
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Tuesday, October 21st, 2008 AT 2:10 PM
Tiny
RCMUTZ
  • MEMBER
  • 5 POSTS
Thanks. I put some injector cleaner in and cleared the code. We'll see what happens next.
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Tuesday, October 21st, 2008 AT 5:20 PM

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