1999 Dodge Caravan non-starting

Tiny
DKSTEWART
  • MEMBER
  • 1999 DODGE CARAVAN
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 160,000 MILES
I have run out of things to check. My 99 caravan was running fine one day. The very next day it was dead as a doornail. The only clue I have is that this happened during freezing overnight temperatures. Since then I have replaced the battery, checked the fuel pump (good), fuel pressure (good, checked with gauges), coil (good, checked voltmeter readings with repair manual), timing belt (good), and there were no engine codes when scanned. Probably because the battery had been disconnected for quite some time. I have taken off and cleaned the IAC valve, TPS sensor, MAP sensor, and checked to make sure they are operational. I even put the noid lights on the injector wires. I don't know what else to check short of having it towed to the dealer. Got gas, got spark, no crank. What makes this so confusing to me is that it did not run rough before it just went dead. Any ideas? Thanks in advance!
Saturday, September 5th, 2009 AT 12:11 PM

3 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Your saying it cranks good but won't start?
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Saturday, September 5th, 2009 AT 12:37 PM
Tiny
DKSTEWART
  • MEMBER
  • 2 POSTS
Yes, the engine turns over as long as the key is being turned, but will not run. It acts like it is getting either no fuel or no spark. But I have checked the fuel pressure, the injectors (with noid lights), and even grounded a plug to the crankcase to visually see the spark. Sometimes it turn over faster as if it wants to start, but never does. I have also checked to see if the timing belt had maybe slipped, but it has not.
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Saturday, September 5th, 2009 AT 1:19 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Did you visually see spark at all plugs? Sometimes I'll use a little propane in the intake, see if the vehicle will try to start, just to try to rule out the fuel system. As with anything flammable, there can be safety issues.

You might check for a clogged exhaust, if everything else is ok?
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Saturday, September 5th, 2009 AT 1:51 PM

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