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2000 blazer difficultly starting and runs rough when cold
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postmaster
New User
Jan 8, 2013, 5:48 PM
Post #1 of 6
(2021 views)
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2000 blazer difficultly starting and runs rough when cold
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i have a 2000 blazer that is difficult to start, will idle smooth, but running rough and jerky when under acceleration until warm then it seems to run fine again, have replaced the rotor and cap and coil, service engine soon light came on and hand held scanner is showing multiple misfires. help please
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Hammer Time
Ultimate Carjunky
/ Moderator
Jan 8, 2013, 5:55 PM
Post #2 of 6
(2016 views)
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Re: 2000 blazer difficultly starting and runs rough when cold
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What are the exact code numbers being set. (all of them)
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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postmaster
New User
Jan 8, 2013, 6:06 PM
Post #3 of 6
(2006 views)
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Re: 2000 blazer difficultly starting and runs rough when cold
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we had it tested at auto zone and they did not give up any numbers only that it was showing multiple misfires
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Hammer Time
Ultimate Carjunky
/ Moderator
Jan 8, 2013, 6:17 PM
Post #4 of 6
(1998 views)
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Re: 2000 blazer difficultly starting and runs rough when cold
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We need all the numbers to be any help.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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ron79
Novice
Jan 8, 2013, 7:23 PM
Post #5 of 6
(1966 views)
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Re: 2000 blazer difficultly starting and runs rough when cold
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sounds to me like a compression problem.
When cold you have a leak through the rings but when warmed up the seals swell and compression gos back to normal.
If that is the cause it will get worst.
Have mechanic do a compression test.
Could be a problem with the fast idle sensor as it only comes into play when engine is warming up
(This post was edited by ron79 on Jan 8, 2013, 7:24 PM)
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Hammer Time
Ultimate Carjunky
/ Moderator
Jan 8, 2013, 7:37 PM
Post #6 of 6
(1961 views)
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Re: 2000 blazer difficultly starting and runs rough when cold
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Ron79, you have absolutely no information to come to that conclusion. Please stop just throwing out a random diagnosis without any evidence. We don't work that way here.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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