1999 Dodge Dakota Emissions/smog equipment

1999 DODGE DAKOTA
145,000 MILES • V8 • 2WD • AUTOMATIC
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RANDEEZY
  • MEMBER
  • 1 POST
How can I reduce hydrocarbon at tailpipe. I m over the limit by only 10 points or so. I already did oil and filter and plugs
wires cap&roter. I do have 50 state legal air raid coldair and MSD 6A ignition box Als should I buy a after market coil to power my MSDBox willthat help the msd perform better?
Thankyou!!!!! What do I replace to reduce hydrocarbon ?
Jan 1, 2010 at 6:54 PM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Unburned gasoline wiil caused the HC to increase that can be caused by ignition misfire, lean misfire and low compression (typically a burned exhaust valve). Ignition misfire can be caused by worn or fouled spark plugs, bad plug wires or a weak coil. Lean misfire results where there is too much air and not enough fuel, so check for vacuum leaks, dirty injectors or a fuel delivery problem. In addition to these, hydrocarbon failures can also be caused by oil burning due to worn valve guides, valve guide seals and/or rings.
Jan 1, 2010 at 7:02 PM
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