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Aug 19, 2014 19:37:57 GMT
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Yep - getting life back in order, but it's for sale until I make some major changes at least. Got a new genuine fuel filter, clamps and hoses to put on when I get time - it's hardly been out this year due to the upheaval.
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Aug 19, 2014 20:57:06 GMT
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Yep - getting life back in order, but it's for sale until I make some major changes at least. Got a new genuine fuel filter, clamps and hoses to put on when I get time - it's hardly been out this year due to the upheaval. Not sorted misfire then mate? |
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Aug 19, 2014 21:35:21 GMT
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I don't think it is a misfire - it's a slight flatspot that came on rather abruptly; car was fine, went to shop, car was hesitant/poor idle, intermittently. I checked codes, had one for O2 sensor, cleared it - have driven the car once since, less of an issue but still there, no codes. Now I have the cover off the fuel pump/filter area I can see a slightly damaged rubber boot on the fuel pump wiring, so going to get a set of decent ramps, change the filter, clean connections to the pump and check the evap canister whilst under there. No sign of a bad leak, despite sometimes getting vapour smell, so I'm suspicious of the canister. It's fine most of the time but because I won't go driving it whilst there's something I want to check, I haven't narrowed down the specific circumstances. So it sometimes idles too low, and sometimes feels hesitant, but not always.
Whilst the fuel filter needs doing anyway, I'm leaning towards checking vacuum hoses. There are two, IIRC, little points around the inlet manifold area which often need cleaning out - and I have done several of the breather hoses already. Could be heatsoak caused a perished one to collapse.
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I don't think it is a misfire - it's a slight flatspot that came on rather abruptly; car was fine, went to shop, car was hesitant/poor idle, intermittently. I checked codes, had one for O2 sensor, cleared it - have driven the car once since, less of an issue but still there, no codes. Now I have the cover off the fuel pump/filter area I can see a slightly damaged rubber boot on the fuel pump wiring, so going to get a set of decent ramps, change the filter, clean connections to the pump and check the evap canister whilst under there. No sign of a bad leak, despite sometimes getting vapour smell, so I'm suspicious of the canister. It's fine most of the time but because I won't go driving it whilst there's something I want to check, I haven't narrowed down the specific circumstances. So it sometimes idles too low, and sometimes feels hesitant, but not always. Whilst the fuel filter needs doing anyway, I'm leaning towards checking vacuum hoses. There are two, IIRC, little points around the inlet manifold area which often need cleaning out - and I have done several of the breather hoses already. Could be heatsoak caused a perished one to collapse. OK, keep me posted! I'm away next week but can I have a look when I get back? Cheers |
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I don't think it is a misfire - it's a slight flatspot that came on rather abruptly; car was fine, went to shop, car was hesitant/poor idle, intermittently. I checked codes, had one for O2 sensor, cleared it - have driven the car once since, less of an issue but still there, no codes. Now I have the cover off the fuel pump/filter area I can see a slightly damaged rubber boot on the fuel pump wiring, so going to get a set of decent ramps, change the filter, clean connections to the pump and check the evap canister whilst under there. No sign of a bad leak, despite sometimes getting vapour smell, so I'm suspicious of the canister. It's fine most of the time but because I won't go driving it whilst there's something I want to check, I haven't narrowed down the specific circumstances. So it sometimes idles too low, and sometimes feels hesitant, but not always. Whilst the fuel filter needs doing anyway, I'm leaning towards checking vacuum hoses. There are two, IIRC, little points around the inlet manifold area which often need cleaning out - and I have done several of the breather hoses already. Could be heatsoak caused a perished one to collapse. OK, keep me posted! I'm away next week but can I have a look when I get back? Cheers |
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Aug 20, 2014 15:43:13 GMT
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Yes, of course. I'm still of the position that I don't desperately want to sell it - I love this car, really - but I could use the money and a less valuable toy, either MX5 or Saab 900/9-3 convertible (missed out on a yellow 900 Cabriolet for £600 this weekend, probably wise!) or, well, all manner of things really - my tastes are wide and fundamentally depend entirely on the car in front of me!
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Aug 20, 2014 17:07:36 GMT
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Sent a PM, cheers
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Jan 15, 2015 21:14:32 GMT
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And in the awesomeness that is just continuing to get on with stuff, I no longer need to sell this to pay a friend back, which means I may still be interested in deals, but can be way more flexible.
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Apr 28, 2015 12:09:59 GMT
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Just to update my antique thread, the misfire wasn't a misfire, it was misfuelling - genuine fuel filter and new hoses/clamps sorted out the leak, but the issue turned out to be an oil-contaminated MAF (should have checked and cleaned it right away really). Cleaned the existing one, ordered a new Bosch unit, the oil is almost certainly due to blocked low-pressure PCV ports in the inlet manifold side, which is a manifold-off job to fix. Still not fussed about selling it particularly but I could always be tempted by the right deal I suppose - mostly I just wanted to say "problem fixed and issue identified". (Edit without bump). I no longer have any desire to sell this at all, but at the same time could always be tempted by the right swaps, But mostly, this bump is to say that the odd misfire and oil contamination was down to a 3mm rubber hose, from supercharger to oil separator. Although I replaced a lot of those hoses, it was good when I did that and I'd overlooked it - resting against the engine it had scorched, dried out and split. New silicon hose on, but still going to get the low-pressure PCV side swapped out as well. It now has new genuine springs on the front and an MOT, too! Wonder if there's a record for the longest a car has been advertised for by an active member of RR who still has the car  |
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Last Edit: Aug 4, 2015 9:40:50 GMT by Deleted
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Aug 28, 2015 15:56:51 GMT
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All the PCV bits are done now - the final bit being replacing the throttle body screen, which also acts as a gasket - the old one wasn't pliable enough and had perished in the "squashed" shape - and putting a new air filter in. What a transformation - it drives better than when I first got it. I really don't think any other car could take its place, so even the concept of being tempted with other cars is gone - no longer for sale!
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Last Edit: Aug 28, 2015 16:02:34 GMT by Deleted
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