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Post by Gunner on Aug 4, 2018 16:02:39 GMT
The last time I towed my caravan in May, after about an hour, the engine management light came on and the car went into limp mode with the resultant fault code being PO253 (injection pump metering control A low). I changed the fuel filters, air filter, and oil and oil filter and added a bottle of Redex. I've only been using the expensive diesel since then. The car has been running okay without the van in all journeys, with the longest being just over 2 hours. This week I hitched up the caravan and once again after about one hour, the light came on again and and the same code PO253 showed up. I deleted the code which removed the warning light, but it came back on within 10 minutes. I sat for 5 minutes or so, deleted the code once more, light went out and I drove home about fifty miles with the car running normally.
Something similar happened to my previous car, a Mondeo Estate which never had a problem until towing. I spent three hundred pounds on that without the garage finding the problem.
My Antara is 2012 model, 2.2 CDTI, 4x4.
Anyone any ideas?
Rgds, Ray
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Post by bigjohnsparky on Aug 4, 2018 16:21:57 GMT
Have you tried all your electrical connections and cleaned with electrical contact cleaner. Plus this link may be of help www.troublecodes.net/pcodes/p0253/it does say say that there is wire mesh filters on the fuel rail it could be these that are partly blocked so not throwing up a fault when just driving but when engine is under more load when towing. dont forget to keep us updated of outcome.
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Post by victor on Aug 4, 2018 18:45:13 GMT
I've never experienced this myself but from what I read about it, one or more faulty injector(s) seem the most likely. You've changed the fuel filter and serviced it so you'd be well advised to visit a Bosch service centre or similar to get the proper diagnostics on it. AS BJS says, however, electrical connections ar always worth checking, particularly the connector on the fuel injection pump although it's in an awkward place. Once I've figured out how to do attachments I'll post a couple of pictures.
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Post by TonyM on Aug 5, 2018 9:08:06 GMT
Hi Victor, good to see you here Re the injectors, I wonder if someone can explain why some garages etc say its "the injectors" and expect you to lump a load of cash for 4 when they are independent bits of kit and having all four fail at the same time would be most unusual unless bad fuel had damaged them, but the laws of average I would have thought only one or two at most would fail together? Bit like spark plugs, I never had all 4 fail just the odd one? Or am I missing something?
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Post by victor on Aug 5, 2018 12:37:13 GMT
I didn't join before because I wanted to be fashionably late Volrider, gotta be mindful of my street cred. Spark plugs? I've always changed them in sets but they're a whole lot cheaper than injectors. Re the injectors while it's unlikely that all four would go at the same time it's also quite possible that if one needs changing then others may not be far behind. Depends on what mileage, how well maintained the fuel system etc and of course on whether Lady Luck smiles on you.
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Post by Dulac on Aug 5, 2018 21:32:30 GMT
In a past life someone referred to their Antara having an engine temperature display on screen. They didn't indicate where one might find it (there is no reference in the OM). Yes, there is an ambient temperature displayed but no engine temperature and I wonder what temperature might be reached in this heat and when towing a 1500kg caravan. Might this be a contributing factor?
I have just glanced at the AOC forum and it seems remarkably quiet. It is a shame for the Newbies there, but ho hum..... they can follow TonyM's (aka Volrider) link if they want to.
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Post by TonyM on Aug 6, 2018 7:14:25 GMT
Yes Victor your right I always changed the spark plugs as a group rather than individually, odd thing though the old focus was running rough and new plugs went in one all fixed, one plug had gone down. Good to see you here with street cred Dulac, there is a gizzmo you can buy on tinternet that goes in the obd socket and it talks to your phone showing you all the data including engine temp whilst your driving, I did order one but it never came so forgot all about it.
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Post by Dulac on Aug 6, 2018 10:29:48 GMT
Thank you TonyM; I'll have a rummage through the markets of the world!
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Post by Dulac on Aug 6, 2018 10:50:16 GMT
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Post by bigjohnsparky on Aug 6, 2018 19:35:03 GMT
Looks good I can see another door protection thread coming on ππππ Think the hardest thing will be the cable run so itβs not seen π
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Post by Dulac on Aug 6, 2018 19:42:17 GMT
Seems too good for less than Β£20 delivered. Could it mess anything up, in your valued opinion. If 'yes' I won't get one. If 'no' I will and chuck it if it's no good.
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Post by bigjohnsparky on Aug 6, 2018 21:25:49 GMT
I must admit I donβt think I would try it on my Antara until itβs been proven to work as indicated without causing any damage or causing any fault codes or even damage ECU the antaras electrics are a lot more complexed and should not be messed with. if it was a mk1 cortina or something along them lines then yep no problems but I think a pass on this item is called for
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Post by Dulac on Aug 7, 2018 8:25:40 GMT
Thank you BJS; I'll swerve that one then. A Mk1 Cortina is probably worth more than an Antara!! They never seemed to go rusty, unlike all the other cars on the road in the good old days.
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Post by victor on Aug 7, 2018 8:42:49 GMT
The old Mk 1 Cortinas, even the basic ones, still had a temperature gauge, it was seen as an essential in those days. All you had to do in summer time was take the thermostat out, make sure the fan belt was OK and be prepared to turn the heater on to provide more cooling on a hot summers day if you went up a steeper hill than 1 in 100. Funny how we've gone from regarding an oil pressure gauge as essential to trusting an oil warning light yet don't feel comfortable trusting a high temperature warning light.
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Post by victor on Aug 7, 2018 8:44:51 GMT
Must ask a question about that head-up display, do you need a mobile phone with the app to interrogate/process the OBDII signal? Other thing, I see it comes from Thailand and they warn you that Customs duty, tax etc is your responsibility. Wouldn't that be rather expensive?
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