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Check engine light on, red triangle saying "try to slow down or shift up"

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Check engine light on, red triangle saying "try to slow down or shift up"

  #1  
Old 04-17-2019, 09:55 AM
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Location: Savannah, ga
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Default Check engine light on, red triangle saying "try to slow down or shift up"

Hi!
So my check engine light comes on and i get this message reading " try to slow down or shift up" on my dashboard. Idling while driving and really idling when at a stop. Going uphill it gets lretty damn rough as well. So i got a code reading ( p0300 , 0203, p0303) changed the coil pack on cylinder 3, still not driving right,, spark plugs look fine. What the hell is gong on?????? Please help!!!!!!!!
 
  #2  
Old 04-17-2019, 10:35 AM
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0300 is a generic misfire, 0203 says your #3 injector is malfunctioning, 0303 says you have a misfire on #3. Time to pop out injector #3 and test it out... Recall that misfires can be caused by fuel or spark - so this looks like a fuel delivery issue.
 
  #3  
Old 04-17-2019, 03:39 PM
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Like a fuel injector?
 
  #4  
Old 04-18-2019, 12:30 PM
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yes. the fuel injector. You should be able to find a local shop that will test/clean or buy a replacement. It does have a solenoid switch so it can either fail by clogging with debris or the solenoid can fail and won't pulse properly.
 
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