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2005 saturn ion
2005 saturn ion codes read multiple random misfire already put new plugs in and it still shakes and misses and has no power what could be wrong
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Rose, (You said) codes read
Rose,
(You said) codes read multiple random misfire.
What's the actual code (or codes) that are set?
For example was it PO300?
Was it just PO300 or are there more codes?
If there are more what are they?
Here's just a few possibilities for the setting of misfire codes. Understand that there are more possibilities. Rule out the one's below, and if necessary we'll post more possibilities.
Issues with fuel pressure and volume.
Issues with fuel regulation.
Issues with exhaust valves.
One or more vacuum leaks.
EGR valve issues (and or) issues with EGR passageways.
Issues with spark delivery, worn out or defective ignition cables for example.
Rose, Did you replace the
Rose,
Did you replace the boots when you replaced the plugs?
Have you checked the coil assembly?