1998 Dodge Dakota spark knock, rough idle, surging

Tiny
RLARSON
  • MEMBER
  • 1998 DODGE DAKOTA
  • V8
  • 4WD
  • MANUAL
  • 168,000 MILES
HELP! Iv got 1998 Dakota 5.2L about 168000 miles ill start from the top.
1) In the morning when I start it, it misses and acts like it going to die then the truck will rev up to keep form stalling eventually settling to normal idle still with slight miss

2)When warmed up and I stop at a light etc. The truck will surge reving up 2-500 rpms couple of times eventually settling to normal.

3) When accerlating, going up a hill, or pulling anything there is a loud (enough to hear at crusing speed) spark knock. And when I pull the plugs there hot, a little white, does burn small amount of oil

Its has newer plugs and wires, new plenum gasket(done personally), newer fuel pump(1-1/2 yrs old). A year or two ago the pcm was reset which drasticly lowered the spark knock.

Please HELP! Thankyou
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Sunday, September 21st, 2008 AT 1:37 AM

1 Reply

Tiny
BMRFIXIT
  • EXPERT
O2 sensors !
Check them and replace them
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Sunday, September 21st, 2008 AT 7:40 AM

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