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Discussion Starter #1
Let me know guys when u got p0300 code what was
solution to help you out?

How many change plugs and wires?
Injectors?
Coils?
Fuel pump?
EGR?

And what solve problem?
 

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White Diamond '03 DHS (with DTS floor shift)
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86,781 Posts
Wires where my problem but changed plugs first to no avail. Having said that, I did not get a P0300 code til I induced it by brake torqueing and holding it at 2000 RPM. It started out with a chuggle that I was trying to diagnose.
 

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1994 Fleetwood 60" Stretch; '07 Avalanche, '95 Nighthawk
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3,963 Posts
TomFlag said:
How you came this solution?
The dealer plugged in the Tech2 and found that 3 of the 4 cylinders on that side were misfiring. They replaced the coil pack and that fixed it. I replaced the plugs first and cleaned up the connections on the coils but when that didn't help it really didn't leave much else.

Jim
 

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Discussion Starter #8
I have got codes from O2 sensors, misfire. Cadi stalling, hard to start, sometimes no enought power, fuel consumption high. It was hard to know
what is problem but now finally I got p0108 MAP sensor error code.
All those problem make sense that there is problem with MAP sensor.
Because it affect inginition timing, fuel delivery etc...
 
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