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| Nct fail on high idle | |
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| Tweet Topic Started: Dec 5 2014, 07:50 PM (155 Views) | |
| Andy-bzr | Dec 5 2014, 07:50 PM Post #1 |
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Stage 1
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My lambda reading was 1.23 so it was 0.2 above the maximum allowed.The lad doing the nct said wires were cut at the cat.I got an aftermarket cat back system put on my car a few weeks ago.What is the sensor that goes directly into the cat? |
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| Levin BZR | Dec 5 2014, 08:22 PM Post #2 |
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Only the lambda sensor (O2 sensor) goes into the exhaust. But it is not on the catback. It's just before the catalytic converter on the downpipe. |
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| rob twincam 20v | Dec 6 2014, 05:55 AM Post #3 |
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Stage 5
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Might be the catalytic temp sensor He was on about on the cat itself |
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2:12 PM Jul 11