Subject	Re: 91 TT timing issue
Posted by	itsa300zx on March 10, 2020 at 11:28 AM
	This message has been viewed 202 times.
In Reply To	91 TT timing issue posted by AlexcamposZ32 on March 10, 2020 at 10:38 AM
Message	How do you know it is at 25 deg? from the data scan? That is probably the ECU adjusted timing. 15 deg BTDC timing is the mechanical timing of the engine, you need a timing light and physically measure that. When the issue happens, do a power balance test to isolate the cylinder. Start by checking all the electrical connectors for corrosion.
Follow Ups	91 TT timing issue - AlexcamposZ32 10:38:21 03/10/20 Re: 91 TT timing issue - itsa300zx 11:28:35 03/10/20 You need to verify true timing with a timing light - LitlElvis 11:31:08 03/10/20 If the ECU thinks it's at 25 at Idle, you have a TPS Issue - Cjw3 17:16:21 03/10/20
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