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Old Sep 16, 2010 | 02:00 PM
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From: coldspring, tx
Question help please

99 z28 is running rough and has some smoke coming out the exhaust thta is not oil or coolant. it is throwing the codes p0200 p0300 and p1380. i do not know what these are and any help would be aprechiated. also we have rplaced the plugs and wires trying to fix this.

thanks scott
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Old Sep 16, 2010 | 02:15 PM
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Originally Posted by 91RS99z
99 z28 is running rough and has some smoke coming out the exhaust thta is not oil or coolant. it is throwing the codes p0200 p0300 and p1380. i do not know what these are and any help would be aprechiated. also we have rplaced the plugs and wires trying to fix this.

thanks scott
P0200 injector circuit open

P0300 Random/multiple misfire detected

P1380 ABS Rough Road/ Misfire data unusable

Just did a quick look up and thats what I got for your codes. Sorry can't be of much more help.
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Old Sep 20, 2010 | 11:30 AM
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From: coldspring, tx
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so after researching that open injector code i decided the o2 sensors could be the problem and replaced them. about thirty miles later it started having problems again someone please help
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