The UK Hyundai Coupe Club

Gran1te · by **Gran1te** » Sun Feb 19, 2012 3:35 pm

Have taken off inlet manafold to get to rear bank of plugs but now engine warning light is on and wont turn over!!!
Only sensor I disconnected was the one on the arse end of the manifold (under the trottle linkage) so that I could remove the manifold. Any ideas? I didn't connect the battery, would this be why? How can I get over it?

scout · by **scout** » Sun Feb 19, 2012 4:01 pm

Have you tried an ECU reset, ie disconnect the battery and pump the brakes a few times. That can sometimes reset everything.

mnemonic · by **mnemonic** » Sun Feb 19, 2012 4:04 pm

He's trying to do a compression test, Bob. Valid point tho...

@OP - I replied in your other thread, mate.

Gran1te · by **Gran1te** » Sun Feb 19, 2012 5:54 pm

Disconnected negative, pumped brake, reconnected battery terminal, no change...... stuck! The sensor I removed, the intake air temperature sensor has been reconnected. still no joy. What am I doing wrong?

Gran1te · by **Gran1te** » Mon Feb 20, 2012 3:24 pm

Simple solution was to reconnect earth wire!

lawre93 · by **lawre93** » Mon Feb 20, 2012 3:42 pm

Bad earths can cause all kinds of strange things. Glad you found the answer !

LiDL · by **LiDL** » Mon Feb 20, 2012 3:43 pm

in that case to answer your original answer... yes... not reconnecting your earth after doing some work is stupid

Gran1te · by **Gran1te** » Mon Feb 20, 2012 4:38 pm

No the earth strap from the manifold, not the battery earth..... now that would be stupid!

LiDL · by **LiDL** » Mon Feb 20, 2012 5:01 pm

ahh... not so stupid then

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