Check engine soon light on 2005 bonnie
#1
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Check engine soon light on 2005 bonnie
The light was coming on and going off, very intermittent. Dealer put on code reader and says I need to put in new thermostat and an ignition control unit. Temp gauge has never risen over 200 degrees, and everything seems to work fine. Any thoughts?
#2
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A flashing SES light is a misfire, and has nothing to do with the thermostat. The ICM, perhaps, but not likely. Mostly likely cause is a bad coil, a bad spark plug wire, a bad spark plug, or possibly a bad injector. Have the engine scanned at autozone next time it flashes. You should see a code that is P030x the x will have a number between 0 and 6. That number is the problem cylinder, zero is random misfire Post up what you find and we will help you correct it.
#4
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With the light coming on and off at times, not necessarily flashing only, there could be a bad thermostat that isn't letting the car heat up quick enough.
ICM'* have gone back and the best test would be a dealer with the proper equipment. I'm hesistant to say that'* bad, but I don't have the equipment to test them.
ICM'* have gone back and the best test would be a dealer with the proper equipment. I'm hesistant to say that'* bad, but I don't have the equipment to test them.
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P0128 is engine coolant temp https://www.gmforum.com/showthread.p...65#post1390947
P0350 I do not have on my list.
P1811 is long shift. https://www.gmforum.com/showthread.p...89#post1429289
P1350 I don't have on my list.
Start with your engine coolant temp, if that'* not reading right it can cause all kinds of strange problems.
P0350 I do not have on my list.
P1811 is long shift. https://www.gmforum.com/showthread.p...89#post1429289
P1350 I don't have on my list.
Start with your engine coolant temp, if that'* not reading right it can cause all kinds of strange problems.
#7
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A quick Googling showed this:
"P0350 Ignition Coil Primary/Secondary Circuit Malfunction" (random/multiple coils)
P1350, when the car is not cranking, is a dead ICM.
Dan, P1350 seems legit, but you may want to verify P0350 before adding that to your list.
"P0350 Ignition Coil Primary/Secondary Circuit Malfunction" (random/multiple coils)
P1350, when the car is not cranking, is a dead ICM.
Dan, P1350 seems legit, but you may want to verify P0350 before adding that to your list.
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