Honda Car Forum |
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17 Feb 2004, 10:12 am
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91 CRX Idle Problem
When the engine is cold, idles great. After warm up, it will sit there and
surge from 1000 RPM to 1350 RPM about once a second. The car has 105 K on it. I've tried running fuel injector cleaner through it with no help. Is this a computer problem, or mechanical?     
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17 Feb 2004, 11:26 am
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Re: 91 CRX Idle Problem
Temp indicator reading normal? Sometimes a defective thermostat can
cause this kind of thing. Patch wrote: > > When the engine is cold, idles great. After warm up, it will sit there and > surge from 1000 RPM to 1350 RPM about once a second. The car has 105 K on > it. I've tried running fuel injector cleaner through it with no help. Is > this a computer problem, or mechanical?
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17 Feb 2004, 07:43 pm
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Re: 91 CRX Idle Problem
Check out http://resource.crx.org/modules.php?name=Forums
The website is specifically dedicated to CRX's. You'll find a lot of useful information on there and people who are friendly and helpful. Try resetting the ECU and see if it still does it. --Viktor "Patch" <bob_acord@hotmail.com> wrote in message news:s9qYb.2677$lQ2.1629@okepread02... > When the engine is cold, idles great. After warm up, it will sit there and > surge from 1000 RPM to 1350 RPM about once a second. The car has 105 K on > it. I've tried running fuel injector cleaner through it with no help. Is > this a computer problem, or mechanical? > >
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17 Feb 2004, 10:15 pm
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Re: 91 CRX Idle Problem
Do you have antifreeze?
"Patch" <bob_acord@hotmail.com> wrote in message news:s9qYb.2677$lQ2.1629@okepread02... > When the engine is cold, idles great. After warm up, it will sit there and > surge from 1000 RPM to 1350 RPM about once a second. The car has 105 K on > it. I've tried running fuel injector cleaner through it with no help. Is > this a computer problem, or mechanical? > >
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18 Feb 2004, 03:59 pm
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Re: 91 CRX Idle Problem
"electricked" <no_emails_please> wrote in message news:54WdnYtsyMucBK_dRVn-hg@comcast.com... > Check out http://resource.crx.org/modules.php?name=Forums > > The website is specifically dedicated to CRX's. You'll find a lot of useful > information on there and people who are friendly and helpful. > > Try resetting the ECU and see if it still does it. > > --Viktor How do you reset the ECU?
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