| Subject | Date Asked | Expert |
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| timing or blown engine | 11/5/2009 | Mp2 |
Q: my sister had just had her oil changed and she ran out of oil because the oil drain plug came out ...
A: What model Mazda? No oil is a killer and death comes fast when run dry on OHC engines. You'll have ...
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| water pouring from what seems to be behind crank shaft pulley | 11/3/2009 | Mp2 |
Q: i had problems with overheating months ago and a mechanic told me that because my miata was a 91, ...
A: Right no crankshaft issue with 1991 and newer, sounds like someone was attempting to lead you astray ...
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| 94 miata 1.8 125k mi | 10/28/2009 | Mp2 |
Q: car overheated - oil in coolant removed head to replace gasket so doing timing belt, accessory ...
A: You'll need more than just a head gasket for an overheat. You'll need to locate a good machine shop ...
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| Miata Engine/Clutch Replacement | 10/26/2009 | Mp2 |
Q: You were very helpful last time I inquired about my 99 Miata engine replacement so I figured I'd ...
A: All 1.8 liter clutches are the same. A stage 1 ACT is $415, includes the disc, plate, TO bearing ...
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| 1990 Mazda Miata | 10/23/2009 | Mp2 |
Q: My 1990 Mazda Miata idles smooth. But when it is stopped at a red light for instance with the engine ...
A: Buying used is always a gamble and since that control was only used from 1990-1993 it means anything ...
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| 90 Miata Ten flashes on air bag light | 10/21/2009 | Mp2 |
Q: My wife's 1990 Miata has only 107,000 miles(odd as it seems...we rarely drive other than two miles ...
A: Ten indicates the diagnostic control has failed internally, to date there is no repair service of ...
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| 1990 Mazda Miata | 10/20/2009 | Mp2 |
Q: My 1990 Mazda Miata idles smooth. But when it is stopped at a red light for instance with the engine ...
A: It seems you ICS (Idle Control Solenoid) may have failed. A quick test is to turn off all ...
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| 99 Mazda Miata | 10/19/2009 | Mp2 |
Q: I have 70,000km on this ten year old car that I have just aquired. Should I replace the tim ing belt ...
A: Time eventually effects the rubber components however, the timing belt is fiber reinforced and is ...
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| 99 Mazda Miata | 10/15/2009 | Mp2 |
Q: I have 70,000km on this ten year old car that I have just aquired. Should I replace the tim ing belt ...
A: There are some tell tale signs an experienced Miata tech could look for to see if the area has been ...
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| 99 Miata Fuel Gauge | 10/15/2009 | Mp2 |
Q: I have about 70000 km on the car. The fuel gauge reads about a quarter full and does not move up to ...
A: Only diagnostics will tell for sure. Sending units and gauges seldom fail however, the fault would ...
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| Miata no spark | 10/12/2009 | Mp2 |
Q: I am lost with this problem. 1996 miata 1.8, died on highway. While there are 2 coils, only 1 is ...
A: Right, well seems you've done all the preliminary work so the next is line by line harness (seldom a ...
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| clutch replacement | 10/5/2009 | Mp2 |
Q: I think the clutch cable on my 1990 Miata broke. Can anyone tell me how to replace it, or at least ...
A: Your description doesn't give me a great deal of insight however, there is no rocket science to the ...
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| clutch replacement | 10/5/2009 | Mp2 |
Q: I think the clutch cable on my 1990 Miata broke. Can anyone tell me how to replace it, or at least ...
A: The Miata has a hydraulically activated clutch, no cables. Clutch problems are either; No pedal or ...
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| Miata no spark | 10/4/2009 | Mp2 |
Q: I am lost with this problem. 1996 miata 1.8, died on highway. While there are 2 coils, only 1 is ...
A: In all likelihood your crank angle sensor (CAS) has failed. Yours may or may not also have a ...
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| Radiator Fan Speed | 9/21/2009 | Mp2 |
Q: Is there multiple speed for driver side fan on 90 miata/manual. How can I check to see if it's ...
A: The driver side fan is the main cooling fan. It has one speed and cycles as directed by the ECU ...
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| 1991 Miata idle adjustment | 9/21/2009 | Mp2 |
Q: Tried to adjust idle speed. When jumpering terminal 10 to ground terminal in diagnostics block the ...
A: Maybe a centimeter. When it is cold that the assembly is retracted (towards the front - hose barb ...
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| getting 1990 Miata in shape | 9/18/2009 | Mp2 |
Q: I have a 1990 Miata that has not been started or driven in several years. Because of the economy, I ...
A: It likely will have stale fuel and fuel related issues to deal with possibly even a corroded fuel ...
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| 1991 Miata idle adjustment | 9/17/2009 | Mp2 |
Q: Tried to adjust idle speed. When jumpering terminal 10 to ground terminal in diagnostics block the ...
A: The symptoms you describe may be related to the air valve (a cold start device, similar to a choke) ...
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| 1995 Mazda Miata Valve noise | 9/16/2009 | Mp2 |
Q: My Miata has a real load valve clanking noise and has for a year or more, it seems to be gettin ...
A: 94-97 model Miatas are prone to getting air bubbles trapped in the lifters and causing hydraulic ...
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| 91 Miata MX-5 engine rattle | 9/11/2009 | Mp2 |
Q: My 1991 Miata has an engine or valve rattle at about 2800-300 rpm. It sounds like valve rattling. ...
A: A common noise complaint is related to exhaust heat shields. Heat shields are crimped and welded ...
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| 1991 Miata idle adjustment | 9/9/2009 | Mp2 |
Q: Tried to adjust idle speed. When jumpering terminal 10 to ground terminal in diagnostics block the ...
A: Be sure the AC is off as well as other electrical items. Be sure your in GND & TEN. You may have ...
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| 99 Miata Engine Replacement | 9/7/2009 | Mp2 |
Q: First off, I wish I wasn't in Mass so that I could bring my car to you... I have a newly purchased ...
A: Send me your VIN number and I will research the engine issue. Some (about 180, 1999 models) ended ...
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| mazda 3, engine, knocking sound at idle | 9/5/2009 | Mp2 |
Q: My wife have a Mazda 3, 2004 with 60,000km.\r\nwhen running idle, sometime I have a wear sound ...
A: The mileage is still not extreme, maybe once you get to 160k. That's a long time on one oil change ...
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| mazda 3, engine, knocking sound at idle | 9/5/2009 | Mp2 |
Q: My wife have a Mazda 3, 2004 with 60,000km.\r\nwhen running idle, sometime I have a wear sound ...
A: Not my area of expertise however, hydraulic valve lifters on overhead cam Mazdas can capture air ...
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| 1997 miata slave cylinder | 8/31/2009 | Mp2 |
Q: i was driving yesterday, i tried to shift and the clutch pedel felt spongy. i was able to shift ...
A: Clutch Hydraulics is a common repeat failure every 30-50k. The best advice replace both the clutch ...
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| 2008 Miata Hard Top | 8/28/2009 | Mp2 |
Q: Where is the OBD connector located on the 2008 Miata Hard Top convertible?
A: The top control module is check with M-MDS via the DLC-2 connection driver's side dash. The ...
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| 1990 miata air bag code | 8/27/2009 | Mp2 |
Q: my 1990 miata air bag warning light is flashng 6 times then a pause and again and again. what does ...
A: If it is consistently sequencing and flashing 6 times this would indicate a poor connection at the ...
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| Miata airbag light | 8/27/2009 | Mp2 |
Q: The airbag light on my '96 Miata is continuously illuminated. I called a Mazda tech and he said it ...
A: A solid on MIL state indicates the SAS unit has failed. A new SAS is about $600. The SAS unit on ...
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| 1995 Miata Freon | 8/24/2009 | Mp2 |
Q: What type of freon is in a 1995 Miata? My compressor runs for a few minutes then begins to labor ...
A: R-134A What you describe sounds more like it is overcharged or has air in the system. If you can ...
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| crazy idle with ac on | 8/21/2009 | Mp2 |
Q: I have a 90 miata with 62,000 miles. New ac system installed, The problem is when the AC is on, the ...
A: The idle control solenoid (ICS) is an electro-mechanical device it also uses coolant to help control ...
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| enginer fluid reservoir | 8/19/2009 | Mp2 |
Q: Do you have pictures and diagrams of what reservoir it is in the engine for 90 Miata 5 speed. It ...
A: I'm having a hard time following your line of questioning. Miata Main Fluids to Check; 1. ...
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| air condtioning | 8/18/2009 | Mp2 |
Q: Can an air conditioning unit be added to a 1992 Mazda Miata? If so were can I get a complete kit.
A: I'm assuming you have a base model with heat only. It is feasible to convert a non AC model to AC. ...
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| Hooking up a horn | 8/17/2009 | Mp2 |
Q: 90 Miata 5 speed I found that horn was disconnected from the steering wheel. It looks as they ran a ...
A: The orange connector with the green/red wire is the horn wire coming from the clock spring assembly ...
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| Hooking up a horn | 8/17/2009 | Mp2 |
Q: 90 Miata 5 speed I found that horn was disconnected from the steering wheel. It looks as they ran a ...
A: The horn wiring at the wheel is interconnected to the air bag system so use extreme caution. If you ...
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| speedo | 8/13/2009 | Mp2 |
Q: how do you remove the gauge cluster in a 2007 miata. also how do you remove the hood above the ...
A: That was meant in a jovial way. I help dozens of Miatafiles everyday so your cause is no different, ...
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| speedo | 8/11/2009 | Mp2 |
Q: how do you remove the gauge cluster in a 2007 miata. also how do you remove the hood above the ...
A: To get the instrument cluster out you need to remove the lower cowl (pull out and disconnect the ...
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| miata overheating | 8/9/2009 | Mp2 |
Q: I have a 90 mita with 123 k miles on the chasis and about 100 on th engine. Its new. When I drive on ...
A: First thing, never run it past the mid line on the temp gauge it will damage the engine. They are ...
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| Codes PO300 and P0421 (1999 Miata sport) | 8/7/2009 | Mp2 |
Q: Realized I should have given you some more information. The car is a 1999 Miata sport with about ...
A: I don't see P0421 being on the '99 models flow charts. In either case an OBD2 read of P0421 or ...
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| Codes PO300 and P0421 (1999 Miata sport) | 8/7/2009 | Mp2 |
Q: Realized I should have given you some more information. The car is a 1999 Miata sport with about ...
A: Right, the emissions code is likely a result of the random misfire. Buy a new set of NGK spark ...
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| clutch | 7/31/2009 | Mp2 |
Q: I have a 1989 mx5 and the problem I am having is when I engage the clutch, I can put it in gear just ...
A: Clutch hydraulic failure, replace the master and slave cylinders as an assembly, inspect the line ...
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