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Sept 3, 2021 13:22:57 GMT
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EVP is the exhaust valve position so it sounds like the egr valve is sticking open and chucking loads of exhaust gas into the intake at idle, blanking it off should restore the idle but it may then go into limp home (reduced power). Carb cleaner should clean it out.
Map would go out of range if you were filling the inlet with exhaust gas. (i.e. there would be a much higher manifold pressure than expected for the given rpm and throttle opening)
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Paul
Posted a lot
Posts: 1,903
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Sept 4, 2021 13:30:12 GMT
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So she's booked in to show at Capel Manor Classic Car show tomorrow, so thought it best to try and resolve the idle/rough running issue today. Unplugged and unbolted the EGR, it didn't look too grubby...here she is stewing in carb cleaner.  What the picture doesn't show is that the plunger pin was stuck solid. General muck and corrosion meant that pin was not moving freely at all...so carb cleaner, wire brush, cotton bud, and hey presto - moving freely again.  Fair bit of carbon build up, so started scraping away at it like one of those ear cleaning videos you see on YouTube  Grubby, but I've seen worse. Bolted back together, I'll take her out for a run up to temp (and the petrol station obviously) this afternoon and report back. |
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Paul
Posted a lot
Posts: 1,903
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Sept 4, 2021 15:58:51 GMT
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Yeah that didn't do it. Might be the sensor and not the valve itself as I've read these can go bad.
Remarkably somebody on eBay has one from a crate engine - so brand new - for £15. Bought!
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Sept 4, 2021 21:30:32 GMT
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Here's hoping it works and you make it to the show.
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Paul
Posted a lot
Posts: 1,903
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Sept 8, 2021 19:55:07 GMT
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Ooh shiny  And it seems to have done the trick. Upon further, further inspection of the old EGR (IE. giving a right good suck on the inlet pipe) it was clearly holding and creating no vacuum. The diaphragm must have been totally shot. I'd hazard a guess that the symptoms were largely being masked by the valve being stuck shut. Cleaning and freeing up the plunger would then lead to the curse word diaphragm being highlighted, and the symptoms being worse than ever the other day. New one installed and beautiful smooth sailing so far! So it took a while but in a round about way I got there 🤣🤣🤣 |
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Paul
Posted a lot
Posts: 1,903
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Oct 15, 2021 20:52:00 GMT
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The CV has been sick pretty much since she got back from the Gathering, and with work being full time go go go I've not had much time to investigate. Against my better judgement I decided to fire up the parts cannon...ordered Sunday night from the good ol' US of A and arrived here today. Amazing. I've pencilled in some time for just the two of us this weekend so all will hopefully be revealed ASAP.  |
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Paul
Posted a lot
Posts: 1,903
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Oct 17, 2021 19:32:35 GMT
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Well that was a little anticlimactic, but satisfying all the same. When taking a break from drinking below average coffee and smoking rollups hairymel took the time to investigate. Sometimes you just need a 2nd pair of eyes and ears to help you think things through logically... "any codes?" "yeah, two, one for MAP sensor and one for EGR. And I've replaced the EGR" "Have you touched the MAP?" "Nooooo..." I had wrongly assumed the EGR was the cause, and the MAP sensor was just reacting to the broken EGR...which, as established previously, was faulty. "Unplug it" Car idles lumpy for a good 20-30 seconds then dies - an improvement on the 2-3 seconds I was getting previously. "Go and grab the new one then"...you can see where this is going.  £13 sensor plugged in, and awaaaaaay we go. The car is now driveable, albeit still a bit rough - but then it hasn't driven anywhere in a while. Some fresh fuel and a decent run and I reckon we'll be GTG. I'm still going to persist with changing the distributor cap, rotor, plugs, leads because I've no idea when they were done and it couldn't hurt - but she's back on the road again! Really made my weeekend that has... |
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Paul
Posted a lot
Posts: 1,903
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Nov 21, 2021 10:43:55 GMT
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So having fixed the rough idle, she quickly developed a hot starting problem. The joys of owning an old car...voltage from the starter solenoid to the starter was good (although I changed out the big power wire anyway since I had some good 4AWG cable and terminals in the garage) so it's off to the starter we go. New starter motor can be had in this country for £130+, or wait a week and Rockauto can have it on your doorstep within a week. You can guess what option I went with. When no magnet arrived I was ready to send it back for a refund. Swallowing this ignominy, I went about my task...  Well there's an interesting thing. By no means OEM, this is in fact an uprated JEGS unit. Still spinning S L O W L Y when hot (to the point where I almost ended up stranded in the Tesco petrol station...of course it was the petrol station), but now with the added inconvenience of making the top bolt extra inaccessible.  Looks simple enough doesn't it? Except it's a weird lumpy shape, and I've not next to no AF tools. Cue a quick trip to a retired airline mechanic and the purchase of a beautiful 1/2" ratchet spanner, and AWAAAAAAY we go.  Here's the JEGS unit next to the OEM - it's very different, so much so I wasn't convinced the new one would fit. But fit it did, just fine. Whilst I was there I thought I'd start fitting some of the parts I ordered last time around, starting with the ICV   I gave it a good clean when I was chasing the rough idle before, but given how cheap it was to get one as part of my last RockAuto order I thought - why not? New and shiny in place  Hot start issue sorted? Well, I'm not sure yet. The new starter was a tad sticky - it wouldn't go at first, then stuck on (which was probably the most unpleasant noise I've ever heard the car make) but now seems to be fine. Who knows how long it's been on the shelf? Will give her a good run and report back. |
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Paul
Posted a lot
Posts: 1,903
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And thus continues my cautionary tale of not getting inside your own head when fault finding. I was so confident that the starter motor was at fault I didn't even consider other options. Yeah, it wasn't that. So maybe a bad battery, showing 13V after a good charge but not holding amps? Off I trot to Euros and take advantage of Black Friday to get a new battery. You've guessed it - not that either. Which only left one part - the starter solenoid.  A £7 part that I really, really should have ordered along with the new starter (and I was going to, to save on postage and time) but for some reason I just didn't. Big mistake. With SWMBO turning the key there was next to no voltage jumping from the 'in' terminal (from battery) to the 'out' terminal (to starter). Bridging the terminal with a jump lead directly to the battery created an impressive light show and, more importantly, spun the starter. So I had another week's wait, and £20 in postage & tax on the £7 part BUT I got a magnet from RockAuto this time and it starts, repeatedly, on the button. Hardly even needs to spin up. Which, given practically every part in the starting system has been replaced or renewed is how it should be! Awaiting the next fault... |
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glenanderson
Club Retro Rides Member
Posts: 4,090
Club RR Member Number: 64
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1987 Ford LTD CROWN Victoriaglenanderson
@glenanderson
Club Retro Rides Member 64
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Awaiting the next fault... Join the club! |
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My worst worry about dying is my wife selling my stuff for what I told her it cost...
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drdick
Part of things
Posts: 359
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Dec 10, 2021 15:13:56 GMT
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I don't know how many of those RockAuto magnets I've got.....
Did you throw the JEGS starter away.........?
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Paul
Posted a lot
Posts: 1,903
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Dec 10, 2021 21:05:16 GMT
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I don't know how many of those RockAuto magnets I've got..... Did you throw the JEGS starter away.........? I think I'm up to 5 magnets...and the JEGS starter is living in the boot. I've half a mind to put it back on as it's clearly an upgrade on the OEM one, but on the other hand the new one is working just fine 😊 |
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Paul
Posted a lot
Posts: 1,903
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Dec 30, 2021 18:55:28 GMT
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Santa was good to me this year...  It had been noted that the headlamps (particularly the two high beams on the inside) were a bit 'sweaty'...so Santa brought me a set of new Oem-style 6x4 headlamps.  The surrounds are only held in with 3 screws, all easily accessible from the outside - no removing a whole wing to remove a headlamp here 🙂. The lamps themselves are held in place by a square metal shroud...4 screws each.  Old v. new  Now the older units were sealed beam, but the new ones have changeable bulbs (which came supplied v. helpfully) The plugs were rather different 😬  However this wasn't really a problem. I prodded around with a test light to identify what was what, snipped off the old connectors and crimped on new ones and we were good to go. It was reassuring to note there was so much spare wire that there was no need to add any more...unlike a modern equivalent motor.  Here's the finished product. I was able to straighten up the far left headlamp as well...it had popped free of its mounting point so creative use of a nut and washer allowed me to restore some adjustment. Very happy with the improvement. |
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Dec 30, 2021 21:31:52 GMT
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Very impressive lighting.
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Paul
Posted a lot
Posts: 1,903
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Dec 30, 2021 22:41:09 GMT
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Very impressive lighting. It would have been much easier and cheaper to source sealed LED units from the UK, but they would have been far too modern and not in keeping with hairymel 's instructions to "not break it". They're improved visibility somewhat, but are far more aesthetically pleasing 🙂 |
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Last Edit: Dec 30, 2021 22:41:23 GMT by Paul
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In the UK these are probably quite a sight! Over here- we scrap em, chop em up for the 05+ front suspensions, basically throw aways. Yours is very clean and it looks as if you've been doing all the right things to keep it on the road, good job! We chopped the roof off one once, because it was easier to fill with water lol  |
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Paul
Posted a lot
Posts: 1,903
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In the UK these are probably quite a sight! Over here- we scrap em, chop em up for the 05+ front suspensions, basically throw aways. Yours is very clean and it looks as if you've been doing all the right things to keep it on the road, good job! We chopped the roof off one once, because it was easier to fill with water lol I've not seen another one in non-Police spec in this country - the old police cars have beefier suspension and brakes IIRC so these standard civilian ones are quite rare. Still, the fact that there so common in America means I can pick up pretty much any mechanical part I need from RockAuto no problem. Trim and interior parts are like poor quality wobbly children's play pony doo doo though... |
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Mar 21, 2022 22:38:38 GMT
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I've been meaning to add these for a while but keep forgetting... here are some CROWN Vics captured in the wild! 
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Last Edit: Mar 22, 2022 5:48:46 GMT by wildrover
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Jun 12, 2022 23:45:25 GMT
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Last Edit: Jun 12, 2022 23:48:14 GMT by mikes89
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