Fk3 2.2 - low power at low rpm - Civinfo
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post #1 of 87 (permalink) Old 30th May 2018, 20:55 Thread Starter
 
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Fk3 2.2 - low power at low rpm

Just bought an FK3 2.2 ...

Problem is, anything below 2500~3000 RPM = virtually no power. When the RPM comes over 2500ish theres a huge surge of power (the power you'd expect) i've just upgraded from a 1.2 clio and the the power feels almost the same below 2500 RPM...

My first thoughts are EGR Valve but the tools I have available won't let me get it off without a fight involving a lot of swearing so i'll be popping over to my uncles tomorrow and try it with his tools.

Does this sound like an EGR Valve issue? - From what I have read EGR would cause hesitation but my problem is like 10% power delivery then 100% after 2500 RPM... EGR? If not, any suggestions?


Getting a P1704 & PGM-FI occasionally but not constant (I do not believe this to be related to the power issue, but hell, it might be)
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post #2 of 87 (permalink) Old 30th May 2018, 21:43
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The 2.2 does have a bit of a boost at 2.5k rpm but is more noticeable of remapped. Do you know if yours has been mapped?

Fueling might be an issue if the filter hasn't been changed for a few years, or a non Honda filter is fitted.
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post #3 of 87 (permalink) Old 30th May 2018, 21:51 Thread Starter
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Welcome to

The 2.2 does have a bit of a boost at 2.5k rpm but is more noticeable of remapped. Do you know if yours has been mapped?

Fueling might be an issue if the filter hasn't been changed for a few years, or a non Honda filter is fitted.


This might help distinguish the fact the power delivered below 2500rpm is not normal. (Anything above 4th gear past 60mph = zero acceleration infact i lose speed and have to drop a gear 5th to 4th etc)

I have no idea if its been mapped. I take it you don't think the PGM-FI / P1704 has anything to do with it then?
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post #4 of 87 (permalink) Old 30th May 2018, 21:54
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My first thought is also EGR valve (not closing fully).
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post #5 of 87 (permalink) Old 30th May 2018, 21:55
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I had a PGM-FI error after changing the rear lights, to LED's. So need to read up on your codes before suggesting any fixes. I'll try and dig something out for your tomorrow but others may have chimed in by then.
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post #6 of 87 (permalink) Old 30th May 2018, 21:59 Thread Starter
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My first thought is also EGR valve (not closing fully).

Well hopefully I'll be successful in getting it off and cleaned tomorrow, will update about that.
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post #7 of 87 (permalink) Old 30th May 2018, 22:00 Thread Starter
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Originally Posted by Farqui View Post
I had a PGM-FI error after changing the rear lights, to LED's. So need to read up on your codes before suggesting any fixes. I'll try and dig something out for your tomorrow but others may have chimed in by then.
From what I've read the PGM-FI is Fuel Injection related but the code p1704 which comes on exactly the same moment is the clutch position sensor which isn't related to fuel at all. Hmm. I'll wait to see what you come up with then thanks pal.
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post #8 of 87 (permalink) Old 30th May 2018, 22:02
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How many miles has your 2.2 covered?
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post #9 of 87 (permalink) Old 30th May 2018, 22:04 Thread Starter
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how many miles has your 2.2 covered?
a lot. 200,000.
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post #10 of 87 (permalink) Old 30th May 2018, 22:06
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a lot. 200,000.
Wow, impressive.

I'm interested to hear how sooty your inlet manifold is. See how much goo you can pull out.
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post #11 of 87 (permalink) Old 30th May 2018, 22:12 Thread Starter
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Wow, impressive.

I'm interested to hear how sooty your inlet manifold is. See how much goo you can pull out.
Interestingly I bought it from a "trader" and it's only had one owner before me. When I had a play with the HFT the previous owners saved three numbers in the phonebook, one of them is "home" I must admit i've been slightly tempted to ring it and ask for details about the car but I feel like it's a rather cheeky move on my part and wouldn't like to cross a line.

The car is in a little bit of bad shape. (I can enjoy something to tamper with and improve on) The passenger side door was stuck shut, the boot was stuck shut (both now working fine - had a long day at scrappies lol) The body is generally okay, needs a new passenger side door handle trim and the engine is in pretty good nick. Service history up until 2015 also so thats not real bad I guess. I got the car dirt cheap.

Hopefully tomorrow proves fruitful and I can get the EGR off and take a look at the intake while i'm at it. I'm just a bit curious where I go from here if the EGR isn't the culprit.
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post #12 of 87 (permalink) Old 30th May 2018, 23:41
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egr would be my first to check but I have known the fuel filter to cause issues when was it last changed? the car probably just needs a good service...
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post #13 of 87 (permalink) Old 31st May 2018, 11:18 Thread Starter
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egr would be my first to check but I have known the fuel filter to cause issues when was it last changed? the car probably just needs a good service...
Yeah when i've got a bit more spare cash i'll do a full service for good measure.

This is my first diesel so this may seem a stupid question but i've noticed when I start the car from cold it idles like 800RPM but any other car ive owned usually idle higher 1200+ ish and slowly lower the idle as the engine warms, do diesels not do this? or maybe this one doesnt?
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post #14 of 87 (permalink) Old 31st May 2018, 11:27
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Could be the inlet manifold clogged up, or turbo vanes sticking slightly (including EGR and swirl valve sticking).

Or as said above, it's been remapped.
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Last edited by hondacivicnut; 31st May 2018 at 11:30.
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post #15 of 87 (permalink) Old 31st May 2018, 14:48
 
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Originally Posted by Knottz View Post
Yeah when i've got a bit more spare cash i'll do a full service for good measure.

This is my first diesel so this may seem a stupid question but i've noticed when I start the car from cold it idles like 800RPM but any other car ive owned usually idle higher 1200+ ish and slowly lower the idle as the engine warms, do diesels not do this? or maybe this one doesnt?
My 2.2 and my 1.6 rarely go on the choke unless it's very cold, my 1.6 starts on the choke at about 8'c, my 2.2 went on the choke at around 5'c but very quickly came off of it
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post #16 of 87 (permalink) Old 31st May 2018, 21:07
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In my experience the 2.2 i-CTDi idles bang on 850 RPM hot or cold.
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post #17 of 87 (permalink) Old 2nd June 2018, 12:10 Thread Starter
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Well I cleaned the EGR and it wasn't that bad really neither was as far as I could see into the intake and well theres no improvement. One thing I've noticed is a hesitation/misfire right before boost comes on?




https://pasteboard.co/Ho1fshJ.jpg
https://pasteboard.co/Ho1g9XL.jpg

I tried to embed these pictures but the forums not having it, they are in [IMG] Tags but doesn't work.
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post #18 of 87 (permalink) Old 2nd June 2018, 13:28
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Originally Posted by Jon_G View Post
In my experience the 2.2 i-CTDi idles bang on 850 RPM hot or cold.
Mine sits at 1100rpm on really cold icy mornings then settles to 850rpm after a minute or so.
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post #19 of 87 (permalink) Old 2nd June 2018, 19:50
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Quote:
Originally Posted by Knottz View Post
Well I cleaned the EGR and it wasn't that bad really neither was as far as I could see into the intake and well theres no improvement. One thing I've noticed is a hesitation/misfire right before boost comes on?




https://pasteboard.co/Ho1fshJ.jpg
https://pasteboard.co/Ho1g9XL.jpg

I tried to embed these pictures but the forums not having it, they are in [IMG] Tags but doesn't work.
Did you actually check that the EGR valve closed completely without delay or sticking by applying a vacuum?
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post #20 of 87 (permalink) Old 2nd June 2018, 20:06 Thread Starter
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Originally Posted by Jon_G View Post
Did you actually check that the EGR valve closed completely without delay or sticking by applying a vacuum?
I have nothing lying about that would allow me to do that... i.e a vacuum pump.
What would be normal boost ranges on this engine?


Here's my symptoms as i've now had more time with the car:
  • Poor acceleration below 2500 RPM // 5th/6th gears seem to work from 2100~ RPM (but 6th gear specifically lacks any grunt)
  • Hesitation/Stutter when a sudden increase in throttle, i.e from 10% throttle to 50%+ the car will lose speed momentarily before gaining speed.
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