Integra Technical Questions and Tips Tech discussion for all things Acura Integra

Mis Fire

Old Jul 15, 2005 | 05:55 PM
  #2  
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Did you pull the actual code from the ECM?
After installing the aforementioned, did you reset the ECM?

Start there then report back.

Use the Integra service Manual or Helms
Old Jul 16, 2005 | 10:20 PM
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Do you have a check engine light? There's a way to pull the code from the check engine light. If you don't have one chances are it's electrical.

My car misfired with no check engine light when my aftermarket plug wires arched and when a quad platinum plug failed (those things are *****). It did come on I believe when I blew a dizzy. What's the mileage on your plugs, wires and dizzy?
Old Jul 18, 2005 | 08:03 AM
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Ew. That could be bad. I'd start with a compression test to rule out the bottom end...bent rods, rings etc. Then pull the head and look for bent valves and a blown head gasket. Is there coolant in your oil or oil in your coolant? Are you losing coolant? Is the smoke in the tailpipe white or blue?
Old Jul 18, 2005 | 05:18 PM
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White is coolant, blue is oil and black is the fuel is rich. Sounds like a sick motor if you're losing oil too. The no oil in the coolant worries me a little. Not a lot, might still be a head gasket. Take it in and get it checked out. If it is a motor, it's cheaper to pick up a low mileage one from an importer than trying to fix yours. Could also be an opportunity to pop in a bigger motor. B20s can make some good power now days, and the torque is stronger than an ITR. Think they run around 1100 for a long block.
Old Jul 19, 2005 | 07:41 AM
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That's a relief. Get your mechanic to take a look. Maybe the ignitor is faulty. Obvious place to start is to swap in fresh spark plugs, ignition wires, and distributor cap/rotor but with only 8K on your setup it's not likely - but you might have got bad parts, it does happen. If that doesn't help, then look at swapping in a good ignitor and/or coil. Beyond that, it could be an electrical gremlin, something as simple as a loose connector to the ECU, loose ignition wire, had a friend who got a missfire and tracked it down to a cracked ground wire near the thermostat. At least the motor is good and sounds like you're putting in some pretty trick parts.


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