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Topic: Poor tickover and idle (Read 687 times) |
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Steve_Rose
Newbie
P Reg 24v Ghia X Facelifted. R Reg 24v Ultima
 
Posts: 30
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Poor tickover and idle
« on: Jun 1st, 2011, 10:19pm » |
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Hi guys. Have recently done an engine swap on my beloved cossie. All went well until the test drive. When sat in traffic or stationary the engine seems to run as if its on full choke and nearly cuts out. When moving again and you put your foot down it coughs a bit then clears and is ok again. Have changed all the obvious ie. O2 sensors, air flow meter, egr valve etc. Has anybody come across out similar.
Steve
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Highlander
Moderator
Expert
13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
Posts: 8244
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Re: Poor tickover and idle
« Reply #1 on: Jun 1st, 2011, 11:32pm » |
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Low idle?
Idle control valve?
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on Oct 17th, 2011, 12:35pm, Simmo wrote:I give up !  Too much for an old boy!  |
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amigafan2003
Full Member
I'm a YaBB newbie!
Posts: 972
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Re: Poor tickover and idle
« Reply #2 on: Jun 2nd, 2011, 6:07pm » |
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I think you could do with getting an ODBII reader on it.
Sounds like fuel trims are out.
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Steve_Rose
Newbie
P Reg 24v Ghia X Facelifted. R Reg 24v Ultima
Posts: 30
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Re: Poor tickover and idle
« Reply #3 on: Jun 2nd, 2011, 8:15pm » |
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Hi. I have just tried another Idle Control Valve. The one from the original engine. Sorry, no change. The OBDII stuff is way way beyond my capabilities. Is this something the average garage can test for me ?
Steve
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Highlander
Moderator
Expert
13 Scorpios, XR4x4, Suzuki SJ413 for off road :)
Posts: 8244
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Re: Poor tickover and idle
« Reply #4 on: Jun 2nd, 2011, 9:59pm » |
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Air leak around the manifolds?
If you're coming to Harewood you'll have a que of people who can check it for you 
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on Oct 17th, 2011, 12:35pm, Simmo wrote:| I give up ! Too much for an old boy! |
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Matt
Senior Member
Manual'd and a 4.0 in the making
Posts: 2816
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Re: Poor tickover and idle
« Reply #5 on: Jun 2nd, 2011, 10:00pm » |
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have you plugged the MAF back in?
as stuart says, air leaks are a big killer on the cossie, and i bet its the plastic T piece
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FDS2000 Scans - Birmingham
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Steve_Rose
Newbie
P Reg 24v Ghia X Facelifted. R Reg 24v Ultima
Posts: 30
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Re: Poor tickover and idle
« Reply #6 on: Jun 2nd, 2011, 11:35pm » |
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Checked for air leaks and could'nt find one. But that dunt mean there is'nt one of course. Changed the dreaded tee piece when putting the engine in as it was broken. Seems to be one of those little faults that drive you insain. Recently put a performance air filter on and think it made it slightly worse. Will be at Harewood, looking forward too it.
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Mike H
Senior Member
Renault Clio
Posts: 2594
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Re: Poor tickover and idle
« Reply #7 on: Jun 3rd, 2011, 11:42am » |
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There's lots of little vacuum tubes though isnt there? From what I saw in drawings ~ only need a split in one of 'em
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Mike H
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amigafan2003
Full Member
I'm a YaBB newbie!
Posts: 972
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Re: Poor tickover and idle
« Reply #8 on: Jun 3rd, 2011, 12:35pm » |
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A good way to test for air leaks is spray some easy start around the manifold/pipe joins etc whilst the car is running (not a good idea to spray it on the exhaust!) and if the revs suddenly pick up after you've jjst sprayed somewhere then you've found an air leak.
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Matt
Senior Member
Manual'd and a 4.0 in the making
Posts: 2816
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Re: Poor tickover and idle
« Reply #9 on: Jun 3rd, 2011, 1:09pm » |
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Quote:
Ill bring my tools then 
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FDS2000 Scans - Birmingham
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Steve_Rose
Newbie
P Reg 24v Ghia X Facelifted. R Reg 24v Ultima
Posts: 30
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Re: Poor tickover and idle
« Reply #10 on: Jun 3rd, 2011, 10:25pm » |
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Cheers matt. Look forward to meeting you and learning a lot. Hoping it is just a split pipe. The easy start test sounds like a Eureka moment. Brilliant. Will give that a go. Thanks for all the suggestions guys. She will get fixed despite the wifes scepticism. Think she has the impression I feel more about the car than her. Shhh. As if. Ha Ha.
Steve
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