2 Fault Codes Appeared...HELP!

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2 Fault Codes Appeared...HELP!

Post by HiJetSi on Thu May 23, 2013 8:05 pm


I have two fault codes...

42 – Coolant temperature sensor – open or shorted
52 – Vehicle speed sensor signal – open or shorted

My van has a hunting idle - perhaps error 42 is to blame?!

My van does however read the correct speed as far as I am aware so not sure what code 52 is all about!

Can anyone please help me!

Thanks

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Re: 2 Fault Codes Appeared...HELP!

Post by HighlyJetted on Thu May 23, 2013 8:16 pm

I think those dodgy ground wires might not be helping with these.

Coolant sensor open will destroy your economy, as will the VSS error.

I think your hunting is because you have no coolant in that idle control valve - its pretty much an automatic choke.
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Re: 2 Fault Codes Appeared...HELP!

Post by HiJetSi on Thu May 23, 2013 8:18 pm

OK. Thanks.

The economy was terrible actually when I drove it a fair distance. Might explain a lot...I'm learning a lot about Hi Jets all of a sudden! Very Happy

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Re: 2 Fault Codes Appeared...HELP!

Post by HighlyJetted on Thu May 23, 2013 8:22 pm

They are a good place to learn about EFi cars because they are one of the most simple installations I've worked on.
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Re: 2 Fault Codes Appeared...HELP!

Post by HighlyJetted on Thu May 23, 2013 8:23 pm

I'd also say very effective and efficient too - the engineering is bang to the point, no frills, no undercutting. Just perfect!
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Re: 2 Fault Codes Appeared...HELP!

Post by HiJetSi on Thu May 30, 2013 12:15 pm

Right,

Connected that earth and now only one fault code:

42 – Coolant temperature sensor – open or shorted

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Re: 2 Fault Codes Appeared...HELP!

Post by HighlyJetted on Thu May 30, 2013 2:45 pm

That's on the back of your cylinder head, cam sensor end
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Re: 2 Fault Codes Appeared...HELP!

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