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SPI Performance (2000-2004) The place to chat about any 2.0L Split Port Injection engine performance, tuning and exhaust related upgrades.
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08-28-2012, 04:45 PM
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Focus Enthusiast
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pulsing engine light
Posted via FF MobileI have a 04 lx spi an every so often the engine light comes on an pulses then get very faint an finally goes out.Car seems to run fine. Any idea would be appreciated.
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Focus Fanatic
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08-31-2012, 04:03 PM
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Focus Enthusiast
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Have you checked to see what code is flashing? If you do not own a OBD2 Scanner, then stop my Auto Zone and get it read for free, when it comes on. If it is flashing, I'm willing to bet you have a misfire. Start with the plugs and wires.
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09-06-2012, 04:55 PM
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Focus Enthusiast
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well my brothers has a scanner but i thought the light has to stay on so it can be read an it only stays on for 20 seconds or so
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09-12-2012, 07:55 PM
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Focus Enthusiast
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Correct. I didn't know the engine light would never hold steady. Or if it was pulsing constantly. Sounds like you have a sign of a mis-fire. Start with the basics.
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