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1998 Dodge Caravan Van not starting

Tiny
JAMES KEHRER
  • MEMBER
  • 1998 DODGE CARAVAN
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 132,000 MILES
While driving this Monday AM, car just died. Checked and replaced coil, cam and crank sensors, ignition switch. Put NOID lights in injectors wiring harness, I have continuity on sensors but no power when energized. Do you think that the PCM is at fault?
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Friday, February 12th, 2010 AT 12:43 PM

20 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Hi
Did Noid flash in crank? Has fuel pressure been checked? Have you checked for spark?
Let me know
thanks for donate
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Friday, February 12th, 2010 AT 12:52 PM
Tiny
JAMES KEHRER
  • MEMBER
  • 12 POSTS
Het there Docfixit
No, NOID light did not flash, there was fuel pressure in fuel rail, I checked for spark ( first thing I did) there was none, there was no power to the primary side, good compression, fresh battery, etc. The reason I changed out the ignition switch is because one time that I tried to crank it, the starter stayed engaged. Even when I took the key out. Thought the switch fried. Since, I have checked sensor harness for continuity and all is well.

Jim
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Friday, February 12th, 2010 AT 3:29 PM
Tiny
DOCFIXIT
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Maybe Auto Shutdown Relay in underhood relay box marked ASD swap with fuel pump relay see if you get spark
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Friday, February 12th, 2010 AT 3:40 PM
Tiny
JAMES KEHRER
  • MEMBER
  • 12 POSTS
Doc, I have alredy tried that. Haven't found any broken/chafed wires at all. Van is one owner and never been wrecked, always well maintained. This is first time anything has gone wrong. I always repair and maintain it myself
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-1
Friday, February 12th, 2010 AT 4:20 PM
Tiny
JAMES KEHRER
  • MEMBER
  • 12 POSTS
Are you on-line on weekends?
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Saturday, February 13th, 2010 AT 9:20 AM
Tiny
DOCFIXIT
  • MECHANIC
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Which engine 3.0L, 3.3L or 3.8L?
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Monday, February 15th, 2010 AT 12:31 PM
Tiny
JAMES KEHRER
  • MEMBER
  • 12 POSTS
It has the 3.3
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Monday, February 15th, 2010 AT 12:34 PM
Tiny
DOCFIXIT
  • MECHANIC
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At coil pack check voltage on Dark Green/Orange battery voltage in crank?
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Monday, February 15th, 2010 AT 12:44 PM
Tiny
JAMES KEHRER
  • MEMBER
  • 12 POSTS
Doc, it only has.11 volts
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Monday, February 15th, 2010 AT 1:09 PM
Tiny
DOCFIXIT
  • MECHANIC
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Not good check voltage on dark green/orange at injectors same.11V?
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Monday, February 15th, 2010 AT 1:19 PM
Tiny
JAMES KEHRER
  • MEMBER
  • 12 POSTS
Yes, Doc, .11 volts
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Monday, February 15th, 2010 AT 2:08 PM
Tiny
DOCFIXIT
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Check voltage at Fuse #17 and pull ASD check for voltage. Is there a schematic on relay?
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Monday, February 15th, 2010 AT 2:26 PM
Tiny
JAMES KEHRER
  • MEMBER
  • 12 POSTS
12.55 volts on both, asd relay and fuse #17 (eng ) , but no schematic on relay
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Monday, February 15th, 2010 AT 3:02 PM
Tiny
DOCFIXIT
  • MECHANIC
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Can you feel ASD relay click? Any numbers on Distribution box or bottom of relay? No. 5 is the dk. Green/orange to coil and injectors. If relay is engaging then problem in wiring if not then possible PCM
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Monday, February 15th, 2010 AT 3:13 PM
Tiny
JAMES KEHRER
  • MEMBER
  • 12 POSTS
Relay(s) are working, have power to coil, injectors, (12v), crank and cam position sensors(5v), before I put on the NEG battery terminal BUT all go dead when I touch the NEG cable back on the battery
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Tuesday, February 16th, 2010 AT 9:48 AM
Tiny
DOCFIXIT
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How did you get 12v to coil, inj? What do you mean all go dead?
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Tuesday, February 16th, 2010 AT 9:56 AM
Tiny
JAMES KEHRER
  • MEMBER
  • 12 POSTS
Doc, I was retracing my steps while waiting for your responses and found out that in a continuity check that the ground and the power line for the crank and camshaft sensers had a short. Am trouble shooting it now. Will get back to you soon.

- thank you so far for everything.
Jim.
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Tuesday, February 16th, 2010 AT 4:00 PM
Tiny
DOCFIXIT
  • MECHANIC
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O.K. Hope you find something about to go off now but be back on 9am EST
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Tuesday, February 16th, 2010 AT 4:03 PM
Tiny
JAMES KEHRER
  • MEMBER
  • 12 POSTS
Good morning Doc, I found that the crank sensor wires were bound to the frame with a wire tie too tightly, creating a short in that particular system.I found it out while rechecking the continuity by accidently hitting the ground pin in the PCM instead of the power pin. The van started right up upon reinsulating the wires and putting everything back in it's place. Thank you and your team for ALL your assistance, you guys are aces ! Can't thank you enough ! Jim Kehrer
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Wednesday, February 17th, 2010 AT 8:09 AM
Tiny
DOCFIXIT
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Great diagostic job! Goin to check with Chrysler to see if this is a common problem. Good news nice way to start day.
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Wednesday, February 17th, 2010 AT 9:54 AM

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