2000 Dodge Dakota Injectors!

Tiny
MIRKO
  • MEMBER
  • 2000 DODGE DAKOTA
  • V8
  • FWD
  • AUTOMATIC
  • 100,000 MILES
I have more than basic knowledge of cars but never worked on Fuel Injectors before. I took the truck in to get it Smoged or DEQ'd and it failed because of codes P0203, P0202, & P0201 -Injector malfunction. So due to the economy and my financial situation I want to try and fix it myself. Where do I start and what am I up against here? Thank you for your time.
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Thursday, November 13th, 2008 AT 7:56 PM

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Tiny
BLUELIGHTNIN6
  • EXPERT
The injectors may be clogged up a bit. Just run some fuel injector cleaner through the system and this should clean it out.
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Thursday, November 13th, 2008 AT 8:12 PM
Tiny
MIRKO
  • MEMBER
Here are Chryslers Diagnostics.(You will need a scan tool)
Be sure there are no mis-fire codes, any mis-fire will cause the PCM to shut down the injector control circuit for that cylinder.
Disconnect the Fuel Injector harness connector.
Ignition on, engine not running, with the DRB3(Chryslers Scanner) actuate the ASD relay.
With a 12 volt test light connected to ground probe the (K342) ASD relay output circuit at the injector harness connector.
Does the test light illuminate brightly?
NO, repair the ASD relay output circuit for an open or short to ground.
YES.
Reconnect injector harness. Using a 12 volt test light connected to 12 volts backprobe the injector driver circuit and with the DRB actuate the injector.
What is the state of the test light?
Blinking or flickering? Replace fuel injector
On constantly, go to step 4
Off constantly, go to step 5
STEP 4, Turn ignition off, disconnect PCM connectors, measure resistance between the fuel injector control circuit and ground at the injector harness.
Is the resistance below 100 ohms?
YES, Repair injector control circuit for short to ground
NO, go to step 6
STEP 5, Turn ignition off and disconnect PCM connectors, measure resistance of injector control circuit between injector harness and PCM connector.
Is the resistance below 5 ohms?
NO, repair the open in the injector control circuit
YES, go to step 6
STEP 6
NOTE! Before continuing check the PCM harness connector terminals for damage, corrosion or push out and repair as needed.
Using the schematics as a guide, inspect the wire harness and connectors paying particular attention to the power and ground circuits.
If there are no possible causes remaining ;
Replace and Reprogram PCM.

Does this sound more like what those codes mean or am I way off?
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Friday, November 14th, 2008 AT 11:15 AM

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