misfiring
01-07-2006, 04:07 PM
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misfiring
my friend was on the highway in high rpm probably around 5k and he accidently down shifted to 3rd instead of 5th and now the car has a really bad mis, what can be the problem?
01-07-2006, 04:10 PM
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Re: misfiring (1sikhatch)
Spark plugs fouled, cap and/ or rotor burnt, distributor a little shaken. Once about ten years ago I wnet from 5th to 1st, meaning I was shooting for 3rd on deceleration. I lost my tranny. Jsut be glad it was nothing serious.
01-07-2006, 04:13 PM
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Re: misfiring (Haltom Hatch)
what rpm did he hit when he down shifted? hopefuly you just blew off a plug wire off the cap. worst case scenario you have a bent valve/valves.
01-08-2006, 03:38 AM
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Re: misfiring (SlowAzEg)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by SlowAzEg »</TD></TR><TR><TD CLASS="quote">what rpm did he hit when he down shifted? hopefuly you just blew off a plug wire off the cap. worst case scenario you have a bent valve/valves.</TD></TR></TABLE>
he was at around 5-5.5k rpm when he shifted, checked the plugs and # 1 have some oil deposits on it the rest are fine. all the wires were on good also. i cn hear a tapping in the motor though. is there a way to check if any valves are bent/broken without taking off the head?
he was at around 5-5.5k rpm when he shifted, checked the plugs and # 1 have some oil deposits on it the rest are fine. all the wires were on good also. i cn hear a tapping in the motor though. is there a way to check if any valves are bent/broken without taking off the head?
01-08-2006, 04:36 PM
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Re: misfiring (1sikhatch)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 1sikhatch »</TD></TR><TR><TD CLASS="quote">
he was at around 5-5.5k rpm when he shifted, checked the plugs and # 1 have some oil deposits on it the rest are fine. all the wires were on good also. i cn hear a tapping in the motor though. is there a way to check if any valves are bent/broken without taking off the head?</TD></TR></TABLE>
oil on plug could mean a bad ring in that cyl
compression test is your best friend rite now
he was at around 5-5.5k rpm when he shifted, checked the plugs and # 1 have some oil deposits on it the rest are fine. all the wires were on good also. i cn hear a tapping in the motor though. is there a way to check if any valves are bent/broken without taking off the head?</TD></TR></TABLE>
oil on plug could mean a bad ring in that cyl
compression test is your best friend rite now
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