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I recently degrease my wifes 1990 miata, and had the same trouble.
i found that being twin cam . the water had gotten down in to the spark plugs.
I first removed the plug leads, then blew out the water with compressed air.
then removed the plugs and wiped clean, with a rag down the spark plug holes, then finished with a clean of contact cleaner , then reassembles and yay no more splutter
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so spark plugs were shorting cause it was all wet down in there ?
What else can I help you with?
What engine is in 1991 miata?
A 1.6L inline 4-cylinder BP family engine.
What is the best engine swap for a 1991 Mazda Miata MX-5?
Chev LS6 T56
How do you replace air filter in a 1991 miata?
To replace the air filter in a 1991 Miata, first, locate the air filter housing on the engine. Open the housing by removing the clips or screws, then take out the old air filter. Clean the housing if necessary, then insert the new air filter, ensuring it fits snugly. Finally, resecure the housing and close it up.
Where is the oil dipstick on a 1991 miata?
At the driver's side of the engine on the back, near the firewall, it has a yellow plastic cap (usually)
1991 MIATA no injector pulse what to do?
92 mazda miata not pulsation in the injectors
Where is 1991 Mazda miata alternator located?
The alternator in a 1991 Mazda Miata is located on the front side of the engine, mounted on the driver's side. It is positioned near the top of the engine bay, just below the intake manifold and above the power steering pump. To access it, you may need to remove some surrounding components or plastic covers.
Where is the battery located in a 1990 miata?
On a 1991 Miata, the battery is in the trunk. It is probably the same on the 1990.
Does a 1991 Mazda miata have a timing belt or chain?
timing BELT ( according to Gates , they make timing belts etc. - it is also an interference engine )
Where is 1991 miata alternator located?
under the hood
Where is the freon port on a 1991 Mazda Miata?
On a 1991 Mazda Miata, the freon port for the air conditioning system is located on the passenger side of the engine bay. You'll find the low-pressure service port near the firewall, typically covered with a plastic cap. The high-pressure port is located near the front of the engine bay, close to the condenser. Always ensure the engine is off and the system is depressurized before attempting to access the ports.
How do you change out a distributor cap in a 1991 Mazda miata?
There is no Distributor cap or rotor in a 91 Mazda Miata. All years of the Miata use electronic computer controlled ignition systems.
Where is the transmission modulator located on 1991 miata?
On a 1991 Mazda Miata, the transmission modulator is typically located on the transmission itself, near the rear of the engine bay. It is connected to the transmission and may have a vacuum line attached to it. Accessing it usually requires getting under the vehicle or working in the engine bay, depending on the specific area you need to reach. Always refer to the vehicle's service manual for precise information and guidance.
