Title: Difference between 1.8T APP vs. AJQ Post by: donkymonky on December 13, 2023, 08:08:53 AM Hello everyone,
what other shifters are there on these two engines apart from the secondary air pump? I am currently looking for a new wiring harness for my APP engine, unfortunately I can only find some for the AJQ. I also have an ECU for the AJQ engine. Can I just use the AJQ wiring harness? Thank you guys. Title: Re: Difference between 1.8T APP vs. AJQ Post by: Sandstorm3k on December 16, 2023, 02:34:12 AM You can, though I would consider swapping the harness to ME7 wideband altogether. If you are swapping them anyways. AJQ and APP are basically the same, except for the secondary air injection I believe. AJQ was fitted to some 4wd cars and APP only on fwd applications.
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