Question about 1999 Plymouth Voyager

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Misting with check engine light blinking

Van use to have solid check engine light with a mist in it, now its blinking i took it to auto zone and codes p0403 open or short detected in the EGR solenoid circuit and p1494 leak detection pump switch or mechanical fault. I've replaced EGR valve, all hoses and wires seem in place and good, gas cap good condition oil cap, new plugs and wires, fuel injector cleaner, what can i do to get this engine light out for emissions inspection???

Posted by Anonymous on

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Posted on Jan 02, 2017

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SOURCE: i have a 2001 plymouth neon that has a check

it is in your transmission or a short going to those items. check wiring first then transmission

Posted on Sep 03, 2009

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SOURCE: I took my van to Auto zone after my service engine

The EGR valve, or Exhaust Gas Recirculation valve, is a vacuum controlled valve which allows a specific amount of your exhaust back into the intake manifold. It looks like this.9d42c16.jpg

Posted on Oct 01, 2009

hank5899
  • 151 Answers

SOURCE: leak detection pump solenoid circuit

check the wiring first or it can be the pcm

Posted on Mar 09, 2012

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