My 7 is burning rich (cat is glowing)
05-06-09, 08:10 PM
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My 7 is burning rich (cat is glowing)
I have an 86 RX-7 N/A and it's burning very rich. I have replaced the fuel dampener, fuel injecters and also the trailing coil. The coil was miss firing. It is still running rich and the cat is glowing after only 5 minutes of the car running. The cat and mufflers are new also. Any Ideas?
05-07-09, 10:45 AM
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Well, a full tuneup is a good place to start. Plugs, wires, filters, etc.
Test the operation of the ECT as per the instructions in the FSM.
Test the AFM as well.
You can pull the plugs and determine the condition of the engine. They should be a tanish with maybe some black deposits. If they are black and sooty, the engine is rich. If only one plug is black and full of soot, then that rotor is the issue. Black and oily would indicate an oil o-ring failure.
Test the operation of the ECT as per the instructions in the FSM.
Test the AFM as well.
You can pull the plugs and determine the condition of the engine. They should be a tanish with maybe some black deposits. If they are black and sooty, the engine is rich. If only one plug is black and full of soot, then that rotor is the issue. Black and oily would indicate an oil o-ring failure.
05-07-09, 01:04 PM
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I did the full tune up also and it didn't help, new plugs, K&N air filter, wires.
I will test the ECT and the AFM.
Thanks for the info, I will let you know how it goes and ask if there is any thing else I need to look at.
I will test the ECT and the AFM.
Thanks for the info, I will let you know how it goes and ask if there is any thing else I need to look at.
Well, a full tuneup is a good place to start. Plugs, wires, filters, etc.
Test the operation of the ECT as per the instructions in the FSM.
Test the AFM as well.
You can pull the plugs and determine the condition of the engine. They should be a tanish with maybe some black deposits. If they are black and sooty, the engine is rich. If only one plug is black and full of soot, then that rotor is the issue. Black and oily would indicate an oil o-ring failure.
Test the operation of the ECT as per the instructions in the FSM.
Test the AFM as well.
You can pull the plugs and determine the condition of the engine. They should be a tanish with maybe some black deposits. If they are black and sooty, the engine is rich. If only one plug is black and full of soot, then that rotor is the issue. Black and oily would indicate an oil o-ring failure.
05-07-09, 01:06 PM
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I did the full tune up also and it didn't help, new plugs, K&N air filter, wires.
I will test the ECT and the AFM. I will also check the leading coil as well
***SORRY, I DONT KNOW WHY THIS POSTED TWICE***
Thanks for the info, I will let you know how it goes and ask if there is any thing else I need to look at.
I will test the ECT and the AFM. I will also check the leading coil as well
***SORRY, I DONT KNOW WHY THIS POSTED TWICE***
Thanks for the info, I will let you know how it goes and ask if there is any thing else I need to look at.
Well, a full tuneup is a good place to start. Plugs, wires, filters, etc.
Test the operation of the ECT as per the instructions in the FSM.
Test the AFM as well.
You can pull the plugs and determine the condition of the engine. They should be a tanish with maybe some black deposits. If they are black and sooty, the engine is rich. If only one plug is black and full of soot, then that rotor is the issue. Black and oily would indicate an oil o-ring failure.
Test the operation of the ECT as per the instructions in the FSM.
Test the AFM as well.
You can pull the plugs and determine the condition of the engine. They should be a tanish with maybe some black deposits. If they are black and sooty, the engine is rich. If only one plug is black and full of soot, then that rotor is the issue. Black and oily would indicate an oil o-ring failure.
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05-09-09, 12:29 PM
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05-14-09, 03:30 PM
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Thanks for all the info, my 7 is now running smooth. It's great to know that anyone with an rx7 can get help with anything RX7. Thanks again. Now it's time to do the body work and paint job. 
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