91 CRX Si Tach
Hello all...I have a 91 rex si with 68K miles. I have had continuing
problems with my tach. After the car is warmed up the tach needle reads 0...bottomed. Sometimes it feels like it wants to stall, but it never does. I have addressed this as an idle problem, but I have tried everything, ie... new dizzy, new eacv, new plugs, wires, air filter, fuel filter. I have check all vacuum lines and there is no leak. I took it to a Honda dealer and they say its the tach not reading right...cause my ignition timing is dead on spec. If it is the tach do I have to replace the whole cluster? I don’t understand how it can be my tach if it reads correctly until my car warms up... Any insight or tips would be greatly appreciated. Also, I just installed a B&M short shifter, and it seems hard to get into gears...It was a little difficult before the short shifter. Any ideas on what I could do....THANKS!!!! -- Posted using the http://www.autoforumz.com interface, at author's request Articles individually checked for conformance to usenet standards Topic URL: http://www.autoforumz.com/Honda-91-C...ict141934.html Visit Topic URL to contact author (reg. req'd). Report abuse: http://www.autoforumz.com/eform.php?p=686205 |
Re: 91 CRX Si Tach
dcrolin <UseLinkToEmail@AutoForumz.com> wrote in
news:1_686205_edab37d3c93b73b50eec190eaa9c1b78@aut oforumz.com: > Hello all...I have a 91 rex si with 68K miles. I have had continuing > problems with my tach. After the car is warmed up the tach needle > reads 0...bottomed. Check the blue wire from the distributor. It goes to the coil. It's either internally cracked at the connector, or its connection inside the distributor is corroded. <snip> > Also, I just installed a B&M short > shifter, and it seems hard to get into gears...It was a little > difficult before the short shifter. Any ideas on what I could > do Shift more slowly... ....which defeats the purpose of a "short shifter", of course. Synchros need time to drag the gears into synchronization before the baulk rings will allow the dogs to engage. A "short shifter" denies the synchros that time, unless you shift slowly, which defeats the purpose of a "short shifter", of course. Also, your synchros are getting a bit worn, and your "short shifter" is throwing even more load on them than the stock shifter did. You will wear the synchros out faster now. Not only that, your efforts to force the lever into gear are wearing the shift forks more quickly as well. "Short shifters" are a good way of wrecking your tranny in short order. Have you ever priced a tranny replacement? Rebuilds are even worse. I'd uninstall that "short shifter" ASAP if I were you, and leave that sort of nonsense to the real racers it was designed for. -- TeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
Re: 91 CRX Si Tach
"dcrolin" <UseLinkToEmail@AutoForumz.com> wrote in message news:1_686205_edab37d3c93b73b50eec190eaa9c1b78@aut oforumz.com...
> Hello all...I have a 91 rex si with 68K miles. I have had continuing > problems with my tach. After the car is warmed up the tach needle > reads 0...bottomed. Sometimes it feels like it wants to stall, but it > never does. I have addressed this as an idle problem, but I have tried > everything, ie... new dizzy, new eacv, new plugs, wires, air filter, > fuel filter. I have check all vacuum lines and there is no leak. I > took it to a Honda dealer and they say its the tach not reading > right...cause my ignition timing is dead on spec. If it is the tach do > I have to replace the whole cluster? I don’t understand how it can be > my tach if it reads correctly until my car warms up... Any insight or > tips would be greatly appreciated. Also, I just installed a B&M short > shifter, and it seems hard to get into gears...It was a little > difficult before the short shifter. Any ideas on what I could > do....THANKS!!!! The igniter has one lead output called the tach output. If by chance the igniter tach portion quits when the igniter gets hot then it a sign of an igniter problems or heat dissipation problem (missing conducting grease?) What you can do is to jump the tach output directly to your tachometer to troubleshoot. |
Re: Re: 91 CRX Si Tach
"" wrote:
> "dcrolin" <UseLinkToEmail@AutoForumz.com> wrote in message > news:1_686205_edab37d3c93b73b50eec190eaa9c1b78@aut oforumz.com... > > > Hello all...I have a 91 rex si with 68K miles. I have had > continuing > > problems with my tach. After the car is warmed up the tach > needle > > reads 0...bottomed. Sometimes it feels like it wants to > stall, but it > > never does. I have addressed this as an idle problem, but I > have tried > > everything, ie... new dizzy, new eacv, new plugs, wires, air > filter, > > fuel filter. I have check all vacuum lines and there is no > leak. I > > took it to a Honda dealer and they say its the tach not > reading > > right...cause my ignition timing is dead on spec. If it is > the tach do > > I have to replace the whole cluster? I don’t understand how > it can be > > my tach if it reads correctly until my car warms up... Any > insight or > > tips would be greatly appreciated. Also, I just installed a > B&M short > > shifter, and it seems hard to get into gears...It was a > little > > difficult before the short shifter. Any ideas on what I > could > > do....THANKS!!!! > > The igniter has one lead output called the tach output. If by > chance > the igniter tach portion quits when the igniter gets hot then > it a sign > of an igniter problems or heat dissipation problem (missing > conducting > grease?) What you can do is to jump the tach output directly > to your > tachometer to troubleshoot. How exactly do I jump the tach output....Can you explain. Thanks for the response. -- Posted using the http://www.autoforumz.com interface, at author's request Articles individually checked for conformance to usenet standards Topic URL: http://www.autoforumz.com/91-CRX-Si-...ict141934.html Visit Topic URL to contact author (reg. req'd). Report abuse: http://www.autoforumz.com/eform.php?p=687892 |
Re: 91 CRX Si Tach
"Burt Squareman" <BurtSquareman@none.com> wrote in
news:yLH3f.2266$BZ5.1490@newssvr13.news.prodigy.co m: <snip> > > The igniter has one lead output called the tach output. Yeah, that's the blue wire I told him to check. > If by chance > the igniter tach portion quits when the igniter gets hot then it a > sign of an igniter problems or heat dissipation problem (missing > conducting grease?) Good point. jim beam, your thoughts on this? > What you can do is to jump the tach output > directly to your tachometer to troubleshoot. Or see the new page here: http://www.tegger.com/hondafaq/ignit...r-testing.html -- TeGGeR® The Unofficial Honda/Acura FAQ www.tegger.com/hondafaq/ |
Re: 91 CRX Si Tach
TeGGeR® wrote:
> "Burt Squareman" <BurtSquareman@none.com> wrote in > news:yLH3f.2266$BZ5.1490@newssvr13.news.prodigy.co m: > > > <snip> > > >>The igniter has one lead output called the tach output. > > > > > Yeah, that's the blue wire I told him to check. > > > >>If by chance >>the igniter tach portion quits when the igniter gets hot then it a >>sign of an igniter problems or heat dissipation problem (missing >>conducting grease?) > > > > Good point. > > jim beam, your thoughts on this? if the tach output quits when hot, i'd say the igniter's just about to fail. change it immediately - you don't want to be stranded in the middle of a busy freeway intersection. trust me on that one. otoh, it could just be a bad tach connector in the cluster. the instrument circuit board is just a flimsy piece of plastic. sometimes disassembly, cleaning & reassembly cleans the connections sufficiently to make everything right again. > > > >>What you can do is to jump the tach output >>directly to your tachometer to troubleshoot. > > > > Or see the new page here: > > http://www.tegger.com/hondafaq/ignit...r-testing.html > |
Re: Re: 91 CRX Si Tach
"dcrolin" <UseLinkToEmail@www.autoforumz.com> wrote in message news:687892_40871f217983041a20ac0466c2a230d4@autof orumz.com...
> "" wrote: > How exactly do I jump the tach output....Can you explain. Thanks for > the response. Unplug the blue wire (the smaller one on the side of the igniter) Clip an alligator clip on it and run the lead to your tach. At the tach is the same blue wire. This is not the best test. Instead follow these instructions: 1.) Probe an analog voltmeter negative on small blue wire nearest to the igniter. (The teminal on the left side of the igniter.) 2.) The voltmeter positive goes to positive battery. 3.) Voltage should rise/pulse and stay there during a hot idle. |
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