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CEL after can install????

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Old Apr 14, 2024 | 08:45 PM
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Default CEL after can install????

Just had a cam done by a relatively highly recommended shop. Car drove fine for 2 days, I have been babying it. 2 days after driving and I’m at a red light, feel a thud like someone hit me, look down and have a check engine light. Start driving some and car won’t shift into second, can’t go above 30mph of course on the busiest of roads. Check the codes and have P0700, P219A and P0716. Am I SOL? Anyone else had this happen?
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Old Apr 14, 2024 | 09:11 PM
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Those p07xx codes indicate an issue with the transmission position sensor.The other codes shows afr issues with bank 1.If you have a scanner look at the shifter position sensor data.

Last edited by jamieo; Apr 15, 2024 at 02:18 PM.
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Old Apr 14, 2024 | 10:08 PM
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This isn’t a high quality scanner it’s an old SCT I use to check codes

Last edited by Cautionarytale; Apr 14, 2024 at 10:23 PM.
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Old Apr 15, 2024 | 09:49 AM
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Sounds like it’s not a “cam swap then cel” but more of a “thud then cel.”

probably related to the cam swap but maybe not.

pull a valve cover or two and see if anything stands out before running it anymore.
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Old Apr 17, 2024 | 08:48 PM
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Originally Posted by Cautionarytale
Just had a cam done by a relatively highly recommended shop. Car drove fine for 2 days, I have been babying it. 2 days after driving and I’m at a red light, feel a thud like someone hit me, look down and have a check engine light. Start driving some and car won’t shift into second, can’t go above 30mph of course on the busiest of roads. Check the codes and have P0700, P219A and P0716. Am I SOL? Anyone else had this happen?
Believe it or not the thud is by design. It's indicative of an invalid torque signal to the transmission and when it happens it maxes out the line pressure as a way to let you know something is wrong.

Although it's likely just a coincidence that it happened right after the cam it might be possible something in your tune got changed incorrectly.
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