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07-07-2007
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#1 |
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Join Date: Jul 2007
Location: Happy Valley, OR
Posts: 4
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Engine miss with power key on
I'm a newbie ZR 1 owner and hopefully someone can help with my question. My car is a 90 with 7600 miles. Original owner mainly never drove it. I just recently bought it and it appears to have a miss when the power key is on and the secondaries kick in. This happens from about 3,000 rpm's and up. When the power key is off it has smooth acceleration. When in a lower gear and accelerating half to full throttle it sounds like an old big block with that vibrato sounding exhaust note, however when accelerating in a higher gear it just mainly bucks but still gains speed. My mechanic thinks it is the injectors. I have run two cans of fuel injector cleaner through it but still appear to have problems. Could this be normal performance or is something definately wrong.
Thanks for any help. Richard Black 1990 |
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07-07-2007
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#2 |
Join Date: Sep 2006
Location: lone pine and mammoth lakes
Posts: 1,407
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Re: Engine miss with power key on
you may want to get ahold of jeff @pnwzr1 he is just over the washington border. you may have a vacuum leak. the secondaries operate on vacuum. id invest in a helms manual for your car . they are very helpfull. but get on the internet and plug in jeffs place (pnwzr1 ) he is very knowledgeableon these.
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07-07-2007
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#3 |
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Guest
Posts: n/a
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Re: Engine miss with power key on
Sounds like you bought Bryan Powells old car. Give me a shout.
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07-08-2007
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#4 | |
 
Join Date: Dec 2003
Location: S. Florida
Posts: 2,667
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Re: Engine miss with power key on
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07-08-2007
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#5 | |
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Join Date: Jul 2007
Location: Happy Valley, OR
Posts: 4
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Re: Engine miss with power key on
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07-15-2007
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#6 |
 
Join Date: Dec 2005
Location: Delanson, NY
Posts: 916
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Re: Engine miss with power key on
Richard,
Welcome! When I first got my ZR1 with about the same # of miles, it had a similar problem. I found that vibration while driving caused the power key to break electrical connection which causes the secondaries to shut down. This is something you may want to check out. Could also be a vacuum leak due to storage drying out the rubber connectors. Good luck.
__________________
1968 convertible Lemans Blue, 1986 coupe Medium Blue NCRS Top Flight (sold), 1990 ZR1 #2529 Red NCRS Regional and National Top Flight (sold), 1990 ZR1 #2124 Charcoal Metallic NCRS Top Flight 2010 & 2018, 2003 Anniversary Red Convertible (sold) |
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07-15-2007
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#7 |
Join Date: Dec 2003
Location: McHenry, Il.
Posts: 6,607
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Re: Engine miss with power key on
CONGRATS Razar ON BECOMING A ZRONER WELCOME TO THE ZOO!
JEFF WILL GET YA ALL FIXED UP!!!
__________________
http://i119.photobucket.com/albums/o...9mcw/SIG-2.jpg http://i119.photobucket.com/albums/o128/wb9mcw/vcm.gif "The Budget should be balanced, the Treasury should be refilled, public debt should be reduced, the arrogance of officialdom should be tempered and controlled, and the assistance to foreign lands should be curtailed, lest Rome will become bankrupt. People must again learn to work instead of living on public assistance." - Cicero, 55 BC " We the people are the rightful masters of both Congress and the courts, not to overthrow the Constitution but to overthrow the men who pervert the Constitution." - Abraham Lincoln |
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07-15-2007
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#8 |
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Join Date: Sep 2006
Location: lone pine and mammoth lakes
Posts: 1,407
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Re: Engine miss with power key on
Best thing to do is go see jeff . he is very fair price wise and has the knowledge to fix things others may not find . plus he will give ya the cooks tour on the car. enjoy. you may end up buying 2 like me. i go nuts if i dont get my z fix daily
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07-15-2007
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#9 | |
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Join Date: Jul 2007
Location: Happy Valley, OR
Posts: 4
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Re: Engine miss with power key on
Quote:
Richard Azar Black 1990 |
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07-16-2007
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#10 | |
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Posts: n/a
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Re: Engine miss with power key on
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