S5 NA Detonation
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S5 NA Detonation
Can a faulty lowband TPS create a condition where detonation can occur under heavy load? I would think if the TPS is bad, it may be difficult to set the low side idle, and the timing. I have a little bit of detonation issue with my rebuild. It only does it when you really mash the gas. I know my lowside tps is out of specs. To get it to idle I adjusted the Screw on the top of the intake and futzed with the CAS to get it to set right.
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The detonation is kind of a chattering sound accompanied by a noticible drag on the engine. If you let off the gas a little the chaterring goes away. Almost as if it was like a regular engine and if you advanced the timing to much you'd get valve clatter.
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