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Author Topic: I bought back my old mk5  (Read 1266 times)

Offline JoshB

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Re: I bought back my old mk5
« Reply #15 on: April 09, 2022, 10:29:22 pm »
That’s awesome work to be fair, and what a legend your mechanic is letting you use his garage!

I’d have been tempted with some new driveshafts though, that rust on them looks out of place now…!
Getting too old for this...

Offline christii

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Re: I bought back my old mk5
« Reply #16 on: May 13, 2022, 10:28:13 pm »
Time for a depressing update.

Always wondered why the check engine light didn’t show when the ignition is on. I sort of forgot about it but then I mentioned it to the guys who tuned the car, and they reckoned someone had covered it up. I feared the worst, but surely nobody would actually do that?? Well it turns out, yes they do, the previous owner is officially a c**t.
The car had a bunch of misfire fault codes when i first gave it a once over after buying it, which I cleared. And since there was no check engine light, I never thought about the codes ever again. Also, I’ve changed all the spark plugs, coil packs and the cars had a full service.
Well I decided to take the speedo out to see if I could find why the light wasn’t coming on. I can’t believe what I found!


















As you can see from the pictures. After removing the tape, the check engine was on!!

Codes are the same as when I first bought it. P0300 - 0304.
Also when the plugs where changed, the plug in cylinder 1 was badly corroded and it looked liked water had got inside.

This led me to wonder if it was the head gasket. So I bought a test kit from Amazon.

If the blue liquid turns yellow, I’m in trouble. And guess what….







So now the car is going to the mechanics on Monday for a full diagnosis. He says he would be surprised to see a gasket go on one of these engines. But the test I used has good reviews, and it would explain the corroded plug. Plus, why would someone go through all the trouble of covering up the engine light unless it was a big job to fix.

Gutted.

Offline Clarkj93

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Re: I bought back my old mk5
« Reply #17 on: May 13, 2022, 11:24:32 pm »
I've never come across a head gasket going on these, it's super rare. Do you have the infamous generic milky oil cap by any chance?

But yeah, who ever taped that up is a right see you next Tuesday.

Offline christii

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Re: I bought back my old mk5
« Reply #18 on: May 14, 2022, 01:02:07 am »
I've never come across a head gasket going on these, it's super rare. Do you have the infamous generic milky oil cap by any chance?

But yeah, who ever taped that up is a right see you next Tuesday.

Nope, no milky oil cap. Though the oil consumption is a lot. I guess I’ll know more once the mechanic does his diagnosis.


Offline LC5F

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Re: I bought back my old mk5
« Reply #19 on: May 14, 2022, 10:03:02 pm »
That is really is $hitty news - it may have only blown into a waterway and not got to the oil.

A minor win - at least they only taped over the LED, I have seen older cars where the bulb had been smashed.
Where was it last MOT'd - they are meant to actively check for both CEL and ABS lights coming on with ignition.

Offline christii

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Re: I bought back my old mk5
« Reply #20 on: May 14, 2022, 10:11:04 pm »
That is really is $hitty news - it may have only blown into a waterway and not got to the oil.

A minor win - at least they only taped over the LED, I have seen older cars where the bulb had been smashed.
Where was it last MOT'd - they are meant to actively check for both CEL and ABS lights coming on with ignition.

Yeah it sucks. I’m based in Northern Ireland. Our MOT is different than the rest of the UK, it’s the government who MOT our cars so there’s no way it slipped through. Although I’m not 100% sure if a check engine is a failure or not? But the car was MOT’d just before I bought it.