Rx7 people
Rx7 people
hey i was wondering if there is a different between the s4 and s5 coils... i have a s5 and using s4 coils anyone knows if there is a difference between the coils or are the the same...
my car also has misfire what can be the cause of the misfire..
my car also has misfire what can be the cause of the misfire..
how do you figure? all the west people do is **** on other people's thread all the time. lol..im actually surprized that it hasent happend yet..!! every now and then you'll get some real advice tho..
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Joined: Jul 2008
Posts: 2,515
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From: San Jose, CA (NorCal/S.F. Bay Area)
Could be TPS needs adjustment. Take out your plugs make sure they aren't super fowled. Try asking Mutaku to maybe take a glance at it he is pretty knowledgeable and he lives in Modesto.
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Misfires can be cause be alot of things. But to direct your focus more the mar needs 3 things to run. Compression, Fuel/Air Mixture, and Ignition. Most likely your car has compression, or we hope it does so we cancel that one. To easy way to check if your motor is mechanically sound is to crank it and listen.
If you here nasty sounds then you might not have compression. Vacuum gauge may also work. If you have a mechanically sound motor then then its time to determine whether its fuel or electrical. Spray some propane, or a small amount of starting fluid through the intake as its running. If the missfire goes away then you have a fuel Problem. Check Fuel pressure, and fuel aeration. If it does not get better with fuel then you have an Ignition problem. Get a spark checker and make sure you have good spark, check your plug wires, and coils.
Easiest way to cut out a majority of the systems. Same for a No Start problem. Also remember that Sensors give information so the ECM can control the motor through things like timing, fuel rate. If a sensor is not reading right it will throw off how the ECM controls the motor. On a normal motor you would be able to smell if the exhaust smelled like it had alot of fuel, but not so much with rotaries.
If you here nasty sounds then you might not have compression. Vacuum gauge may also work. If you have a mechanically sound motor then then its time to determine whether its fuel or electrical. Spray some propane, or a small amount of starting fluid through the intake as its running. If the missfire goes away then you have a fuel Problem. Check Fuel pressure, and fuel aeration. If it does not get better with fuel then you have an Ignition problem. Get a spark checker and make sure you have good spark, check your plug wires, and coils.
Easiest way to cut out a majority of the systems. Same for a No Start problem. Also remember that Sensors give information so the ECM can control the motor through things like timing, fuel rate. If a sensor is not reading right it will throw off how the ECM controls the motor. On a normal motor you would be able to smell if the exhaust smelled like it had alot of fuel, but not so much with rotaries.
Misfires can be cause be alot of things. But to direct your focus more the mar needs 3 things to run. Compression, Fuel/Air Mixture, and Ignition. Most likely your car has compression, or we hope it does so we cancel that one. To easy way to check if your motor is mechanically sound is to crank it and listen.
If you here nasty sounds then you might not have compression. Vacuum gauge may also work. If you have a mechanically sound motor then then its time to determine whether its fuel or electrical. Spray some propane, or a small amount of starting fluid through the intake as its running. If the missfire goes away then you have a fuel Problem. Check Fuel pressure, and fuel aeration. If it does not get better with fuel then you have an Ignition problem. Get a spark checker and make sure you have good spark, check your plug wires, and coils.
Easiest way to cut out a majority of the systems. Same for a No Start problem. Also remember that Sensors give information so the ECM can control the motor through things like timing, fuel rate. If a sensor is not reading right it will throw off how the ECM controls the motor. On a normal motor you would be able to smell if the exhaust smelled like it had alot of fuel, but not so much with rotaries.
If you here nasty sounds then you might not have compression. Vacuum gauge may also work. If you have a mechanically sound motor then then its time to determine whether its fuel or electrical. Spray some propane, or a small amount of starting fluid through the intake as its running. If the missfire goes away then you have a fuel Problem. Check Fuel pressure, and fuel aeration. If it does not get better with fuel then you have an Ignition problem. Get a spark checker and make sure you have good spark, check your plug wires, and coils.
Easiest way to cut out a majority of the systems. Same for a No Start problem. Also remember that Sensors give information so the ECM can control the motor through things like timing, fuel rate. If a sensor is not reading right it will throw off how the ECM controls the motor. On a normal motor you would be able to smell if the exhaust smelled like it had alot of fuel, but not so much with rotaries.
no, the trailing coils wouldn't cause a misfire or rough running, they barely do ****. more like there for moral support and to make sure the tach works.
you probably have a few vacuum leaks, check with carburetor cleaner and/or replace crappy aftermarket plugs and wires with OEM NGK ones.
you probably have a few vacuum leaks, check with carburetor cleaner and/or replace crappy aftermarket plugs and wires with OEM NGK ones.
no, the trailing coils wouldn't cause a misfire or rough running, they barely do ****. more like there for moral support and to make sure the tach works.
you probably have a few vacuum leaks, check with carburetor cleaner and/or replace crappy aftermarket plugs and wires with OEM NGK ones.
you probably have a few vacuum leaks, check with carburetor cleaner and/or replace crappy aftermarket plugs and wires with OEM NGK ones.
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