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 Posted: Wed Aug 29, 2018 10:31 am |
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Joined: Aug 28, 2018
Posts: 27
Trade Rating: 0
Location: Peterborough
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Hi peoples! Picked up a 206 1.4hdi 3dr last night with a bit of a weird problem. When hot, i.e. after a long journey, the throttle is unresponsive if i turn ignition off and back on.
So ill leave the car, come back 10 or so minutes later and itll ti k over fantastic. But its as if im not even touching the throttle. no EML, no other issues i can find. I either have to let it cool down or if i get the car rolling, stomp accelerator a few times and it springs to life.
Any ideas? Also had an aftermarket radio thats wired erong (stays on after ignition off, doesnt hold memory)
Thanks for any help!!
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Posted: Wed Aug 29, 2018 11:00 am |
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Joined: Jun 19, 2010
Posts: 1600
Trade Rating: +4
Location: South Bucks
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It could be the crank sensor might be starting to go .. when warm they can stop the car running and OK when cool ..
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| Down to just the 1.4 HDi. Cayman Green 2.0i CC sold. | |
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Posted: Wed Aug 29, 2018 2:26 pm |
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Joined: Aug 28, 2018
Posts: 27
Trade Rating: 0
Location: Peterborough
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But the car runs sweet. Just nay throttle when i push it, as though its unpkugged almost. Spoke with an auto electrician who suspected a mechanical fault on injector area, or evu fault because theyre common on this car. But i dont see why heat would contribute to the latter.
Quite a strange one. My dads suggested i blast the engine end with some contact cleaner/GT85
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Posted: Wed Aug 29, 2018 2:40 pm |
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Joined: Feb 08, 2010
Posts: 2369
Trade Rating: +15
Location: Gloucestershire, UK
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| Chevmat08 wrote: |
Also had an aftermarket radio thats wired erong (stays on after ignition off, doesnt hold memory)
Thanks for any help!! |
Once upon a time this used to be THE most frequently asked question around here. I suspect it might have been one of the influence behind this Beginners Guide
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Posted: Wed Aug 29, 2018 3:18 pm |
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Joined: Aug 28, 2018
Posts: 27
Trade Rating: 0
Location: Peterborough
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Ive already seen the yellow/red swap meme. I havent bothered looking into it atm as the radio wasnt even fitted. Ripped it out for now
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Posted: Wed Aug 29, 2018 6:45 pm |
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Joined: Aug 28, 2018
Posts: 27
Trade Rating: 0
Location: Peterborough
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UPDATE: can confirm that getting to 2nd gear then pumping throttle gets it to come back wheb it wont respond... Weird?
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Posted: Fri Aug 31, 2018 5:58 am |
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Joined: Aug 28, 2018
Posts: 27
Trade Rating: 0
Location: Peterborough
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Has been suggested to me it may be a small air lock in coolant causing a temperature issue but im not sure about that.
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Posted: Fri Aug 31, 2018 9:24 am |
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Joined: Jun 19, 2010
Posts: 1600
Trade Rating: +4
Location: South Bucks
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It could ... they migth be some bleed valves on the rad or hoses (we had them on the 2.0 CC but I can't remember seeing them on the 1.4! and I've just drained and refilled my coolant after a core plug issue)
But it's more likely to be the sender in the thermostat housing.
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| Down to just the 1.4 HDi. Cayman Green 2.0i CC sold. | |
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Posted: Fri Aug 31, 2018 9:27 am |
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Joined: Jun 19, 2010
Posts: 1600
Trade Rating: +4
Location: South Bucks
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| Chevmat08 wrote: |
| UPDATE: can confirm that getting to 2nd gear then pumping throttle gets it to come back wheb it wont respond... Weird? |
It's a pain to get off but I would check the cat. It should fill the "bulge" in the downpipe .. but on mine it had collapsed to the size of a large grapefruit and was rolling around in the bottom. If it rolled the right way (with a flat side down) the exhaust was OK but if a round side rolled to the bottom it strangled the car. Not great when going up hill and being chased by an artic!!
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| Down to just the 1.4 HDi. Cayman Green 2.0i CC sold. | |
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Posted: Fri Aug 31, 2018 10:37 am |
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Joined: Aug 28, 2018
Posts: 27
Trade Rating: 0
Location: Peterborough
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| gazza82 wrote: |
| Chevmat08 wrote: |
| UPDATE: can confirm that getting to 2nd gear then pumping throttle gets it to come back wheb it wont respond... Weird? |
It's a pain to get off but I would check the cat. It should fill the "bulge" in the downpipe .. but on mine it had collapsed to the size of a large grapefruit and was rolling around in the bottom. If it rolled the right way (with a flat side down) the exhaust was OK but if a round side rolled to the bottom it strangled the car. Not great when going up hill and being chased by an artic!! |
thabsk for the suggestion. The car drives lovely, idles perfect. No lumpy driving or change in acceleration at all. Just the throttle wont respond when i start the engine after a long drive. No engine ligta, no errors on an OBD reader and no one near me gas PP2000 so im a bit at a loss where to start chasing
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Posted: Fri Aug 31, 2018 4:19 pm |
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Joined: Aug 28, 2018
Posts: 27
Trade Rating: 0
Location: Peterborough
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Going to change coolant this weekend as what ever is in it has no colour? Im assuming oat?
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Posted: Fri Aug 31, 2018 6:58 pm |
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Joined: Feb 07, 2010
Posts: 2720
Trade Rating: +6
Location: UK
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I would also like to throw into possible consolations the MAF sensor. Next time it plays up try unplugging it and see how it responds.
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Posted: Fri Aug 31, 2018 7:27 pm |
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Joined: Aug 28, 2018
Posts: 27
Trade Rating: 0
Location: Peterborough
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Weirdly it hasnt happened again... Yet LOL Yes im gonna unplug maf next time. Still waiting foe my Haynes in the post, MAF is just before throttle body yes?
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Posted: Sat Sep 01, 2018 5:08 pm |
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Joined: Aug 28, 2018
Posts: 27
Trade Rating: 0
Location: Peterborough
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Unplugging a variety of sensors made no difference. Still confused.
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Posted: Sun Dec 30, 2018 10:13 pm |
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Joined: Dec 05, 2010
Posts: 42
Trade Rating: 0
Location: wales
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Having the same issue - found a dead glow plug and replaced it, other three are fine.
No clicking sound from glow plug relay when testing on PP2000.
Bought a replacement one and that also doesn't click.
There is power getting to the relay (tested with multi meter).
Not sure if this is even related to the problem.
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