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#1
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90 Miata Idling Probs
I have a 90 Miata with an idling problem. Went by the local Mazda
dealership today and was told that since it has over 100000 miles and is over 10 years old they dont want to mess with it, lol..it has 385,000 miles(YES, it still runs like a top!) In the last two days, when downshifting to a stop, it tries to cut out. It will not cut out if you dont downshift. There is a clicking noise coming from a relay under the dash. Took it by the dealership, but they couldnt tell me what the part is. Anyone got any ideas if this might be the fuel circuit opening relay..its a denso part and is readily accessible. Thanks |
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#2
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90 Miata Idling Probs
I just want to say congrats! 400k right around the corner, awesome! I hope
someone here can assist you on the relay / problem. Chris 99BBB "Marty" > wrote in message oups.com... >I have a 90 Miata with an idling problem. Went by the local Mazda > dealership today and was told that since it has over 100000 miles and > is over 10 years old they dont want to mess with it, lol..it has > 385,000 miles(YES, it still runs like a top!) In the last two days, > when downshifting to a stop, it tries to cut out. It will not cut out > if you dont downshift. There is a clicking noise coming from a relay > under the dash. Took it by the dealership, but they couldnt tell me > what the part is. Anyone got any ideas if this might be the fuel > circuit opening relay..its a denso part and is readily accessible. > Thanks > |
#3
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90 Miata Idling Probs
"Marty" > wrote in
oups.com: > I have a 90 Miata with an idling problem. <snip> ,.it has > 385,000 miles(YES, it still runs like a top!) Sorry I can't help but, out of curiousity, would you tell us what has been done to it over the years? I don't mean oil changes, tires, brakes, new top, etc. or any other "wear and tear" items but things like how many times have you replaced the clutch? Engine rebuilds? Transmissions? Differentials? Suspension? Inquiring minds want to know! BTW, could the clicking noise have to do with the alarm system? There is a relay that does click and if that's the noise it won't have anything to do with your idling problem. |
#4
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90 Miata Idling Probs
Keep in mind, this is my wife's BABY. No rebuilds, trannys or
differentials and it still has the original clutch. I have replaced the timing belt a couple of times, but really no major work has been done to it. It doesnt have much compression, lol, but it still fires right up and runs like a champ! The lifters have just started tapping, so it looks like I am going to be busy with it shortly, however. BTW, does anyone find it odd that the dealership couldnt even tell me what this part is, with me holding it in my hand at the counter? |
#5
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90 Miata Idling Probs
Sorry, I missed the last part of that post..there is no alarm system,
so that isnt it, but thanks. |
#6
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90 Miata Idling Probs
why not snap a picture of the part an put it up on shutterfly or
someplace... a peek at the garage section of maita.net coughed up this page... scroll down to the section titled 'stalling' and also read on to 'uneven running'... and 'power loss' (since you mentioned poor compression)... i felt that my 95 had a compression problem but it was just a lousy set of cables. you didn't mention replacing cables in your maintenance history, was that just too mundane to mention or was it indeed neglected? finally, thanks for making my miata feel really young! here's to you reaching the half million mark! "Marty" > wrote in message oups.com... > Keep in mind, this is my wife's BABY. No rebuilds, trannys or > differentials and it still has the original clutch. I have replaced the > timing belt a couple of times, but really no major work has been done > to it. It doesnt have much compression, lol, but it still fires right > up and runs like a champ! The lifters have just started tapping, so it > looks like I am going to be busy with it shortly, however. BTW, does > anyone find it odd that the dealership couldnt even tell me what this > part is, with me holding it in my hand at the counter? > |
#7
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90 Miata Idling Probs
oops. here's the link... http://www.miata.net/garage/ignition.html
"Marty" > wrote in message oups.com... > Keep in mind, this is my wife's BABY. No rebuilds, trannys or > differentials and it still has the original clutch. I have replaced the > timing belt a couple of times, but really no major work has been done > to it. It doesnt have much compression, lol, but it still fires right > up and runs like a champ! The lifters have just started tapping, so it > looks like I am going to be busy with it shortly, however. BTW, does > anyone find it odd that the dealership couldnt even tell me what this > part is, with me holding it in my hand at the counter? > |
#8
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90 Miata Idling Probs
Hey, Chris, thanks for the site. I will take a pic of it tomorrow and
post it on shutterfly. I have replaced the spark plug wires several times. My wife also has insisted that I post that it has never had any gas except Amoco gold, so here is my one concession to her, lol. I think that I need to go to another Mazda dealership..the idiot service advisor tried to convince me that there wasnt an idle screw I could adjust. Wonder if that was just because he was probably younger than the car.....? |
#9
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90 Miata Idling Probs
A second thanks for mentioning Shutterfly. I'll be using it
to post a photo for group comment. We'll see if they stick to my no spam request! "Marty" > wrote in message oups.com... > Hey, Chris, thanks for the site. I will take a pic of it tomorrow and > post it on shutterfly. I have replaced the spark plug wires several > times. My wife also has insisted that I post that it has never had any > gas except Amoco gold, so here is my one concession to her, lol. I > think that I need to go to another Mazda dealership..the idiot service > advisor tried to convince me that there wasnt an idle screw I could > adjust. Wonder if that was just because he was probably younger than > the car.....? > |
#10
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90 Miata Idling Probs
"Marty" > wrote:
>I have a 90 Miata with an idling problem. Went by the local Mazda >dealership today and was told that since it has over 100000 miles and >is over 10 years old they dont want to mess with it, lol..it has >385,000 miles(YES, it still runs like a top!) Obviously then, it is possible for a 1990 Miata to run forever without developing the crankshaft issue. I would think that you doing your own timing belt changes might have something to do with it. Despite the protestations of mechanics to the contrary. Maybe that also has something to do with this dealer wanting to stay away from the car. > In the last two days, >when downshifting to a stop, it tries to cut out. It will not cut out >if you dont downshift. There is a clicking noise coming from a relay >under the dash. Took it by the dealership, but they couldnt tell me >what the part is. Anyone got any ideas if this might be the fuel >circuit opening relay.. Probably. Here is the relays info from Haynes: http://www.dommelen.net/tmp.jpg Make sure your browser does not resize images like Internet Exploder and Firefox do by default. >its a denso part and is readily accessible. >Thanks Leon -- Leon van Dommelen Bozo, the White 96 Sebring Miata .) http://www.dommelen.net/miata EXIT THE INTERSTATES (Jamie Jensen) |
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