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Car Forum / Mazda / Mazda Miata / May 2005miata starting problems
The car is another person's 1991 Miata with 100K plus miles. Last week, the car did not start. It had full electrical power but was not cranking at all. I checked all of the fuses, fiddled with the connections under the dash and at the battery to see if anything was loose, then the car started up. It ran fine for several days but is now having the exact same symptoms. Since it has power and is not cranking at all, I am suspecting a faulty starter. Another thought that I had was that the clutch lock is not disengaging when the pedal is depressed. Any ideas or suggestions on other places to start looking for a solution to this problem would be appreciated. Thanks! Pat > The car is another person's 1991 Miata with 100K plus miles. Last week, > the car did not start. It had full electrical power but was not cranking > at all. I checked all of the fuses, fiddled with the connections under the > dash and at the battery to see if anything was loose, then the car started > up. Can you hear the starter relay click? If it doesn't, check if you have 12V on the trigger wire. With kind regards, Steven - - - >>The car is another person's 1991 Miata with 100K plus miles. Last week, >>the car did not start. It had full electrical power but was not cranking [quoted text clipped - 10 lines] > > - - - There is no relay click at all unless the car starts. I think that it is the ignition switch, but in case I am wrong, is the trigger wire a wire that attaches to the starter? If the trigger wire is not receiving power, it is not consistent, as the car will sometimes start. Would this make sense for a malfunctioning trigger wire to be an off-again / on-again problem? I will replace the ignition switch. If this does not solve the problem, I will want to look into the trigger wire. I have already checked the battery and it is good. Thanks again, Pat The Advice on the battery is good, I had a similar problem, even with jump cables on it still would not turn over, a trickle charge overnight and the next morning all was ok. >>>The car is another person's 1991 Miata with 100K plus miles. Last week, >>>the car did not start. It had full electrical power but was not cranking [quoted text clipped - 25 lines] > > Pat > The car is another person's 1991 Miata with 100K plus miles. Last week, > the car did not start. Charge the battery first. Since it's in the trunk, it has to power the starter thru long cables. If it's not at full strength, this happens. One test is to put a voltmeter on the battery and monitor the voltage as the car is started. If it drops much below 11 volts on a charged battery, the battery is no good. Or your friend can go to a car parts store that tests batteries. > Since it has power and is not cranking at all, I am suspecting a faulty > starter. Another thought that I had was that the clutch lock is not > disengaging when the pedal is depressed. That's one possibiity. It's easy enough to jumper around the switch at the clutch pedal. But another common cause is a worn ignition switch, caused by an overly-heavy keyring hanging from it. Try wiggling (not twisting) the key around as you try to start the car. --- Lanny Chambers '94C, St. Louis http://www.hummingbirds.net/alignment.html > But another common cause is a worn ignition switch, caused by an > overly-heavy keyring hanging from it. Try wiggling (not twisting) the [quoted text clipped - 4 lines] > '94C, St. Louis > http://www.hummingbirds.net/alignment.html I believe that this is the culprit, though I have known the owner well the entire time he has owned the car since 15K miles and he knows not to hang a heavy key ring there. Still, with 100K plus miles, the ignition switch could be worn anyway, and who knows what hung there for the first 15K miles. I have seen a key ring that weighed over two pounds, (I actually weighed it for her), hanging from a co-worker's truck ignition. :-/ Luckily we have a donor car with a switch that is good, and the swap-out doesn't look to be very difficult. Thanks to all for the responses and help! pat pat wrote: > > But another common cause is a worn ignition switch, caused by an > > overly-heavy keyring hanging from it. Try wiggling (not twisting) the [quoted text clipped - 12 lines] > > Thanks to all for the responses and help! That switch is probably your culprit. I had to replace that switch on my Belle last year and I've never used a keyring with more than 3 keys on it the entire time I've owned her. It's not a difficult job and shouldn't take very long either. I think it took longer to read the instructions than to actually do the repair. Iva & Belle.) '90B Classic Red.) #3 winkin' Miata > That switch is probably your culprit. I had to replace that switch on my > Belle last year and I've never used a keyring with more than 3 keys on it [quoted text clipped - 5 lines] > '90B Classic Red.) > #3 winkin' Miata Thanks! I will replace it today, it is nice to know that it is an easy job. Pat |
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