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04-23-2013, 09:43 AM
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#1
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NOOB, Not Quite a Regular!
Join Date: Dec 2009
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b18c1 ek civic boggy around 2-3k rpm. help diagnose.
sorry if this is the wrong section.
1997 ek hatchback with a 99 gsr engine obd2 p72 ecu
Issue: very boggy and hesitant around 2-3k rpms
Replaced map sensor, fuel filter, and tps sensor, checked voltages to the 3 tps wires. Replaced spark plugs, distributor cap, wires, rotors, installed skunk 2 intake, 65mm TB.
-only CEL codes for evap emissions
-losing coolant, possibly burning. about 0.5-1.0L every 350k ish. weird thing is I pressure tested it about 2 weeks ago and the cooling system held the pressure.
Last edited by tooblahlol; 04-24-2013 at 05:50 AM.
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04-23-2013, 12:58 PM
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#2
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F**K YOUR HEAD
Join Date: Apr 2009
Location: vancouver
Posts: 8,719
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how is your catalytic convertor?
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04-23-2013, 01:01 PM
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#3
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Zionism gets my shell hard and slimy
Join Date: Jun 2012
Location: in a shell
Posts: 2,597
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boggy? sounds like its running rich! how does the exhaust smell? un burnt fuel?
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04-23-2013, 05:42 PM
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#4
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Where's my RS Christmas Lobster?!
Join Date: Jun 2007
Location: surrey
Posts: 854
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Fuel try changing the ignition coil. Also check fuel pressure
Posted via RS Mobile
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04-23-2013, 05:48 PM
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#5
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Banned By Establishment
Join Date: Jan 2013
Location: van
Posts: 110
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You don't just burn coolant without you noticing. There will be a smell, if you can't see it on the ground, then your headgasket is toast
Posted via RS Mobile
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04-23-2013, 09:44 PM
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#6
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Where's my RS Christmas Lobster?!
Join Date: Aug 2010
Location: B.C
Posts: 871
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hook up a fuel pressure gauge.
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04-23-2013, 09:55 PM
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#7
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My name is PJ and I like dogs.
Join Date: Aug 2010
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Quote:
Originally Posted by ilvtofu
how is your catalytic convertor?
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first thing that came to mind too
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04-23-2013, 11:02 PM
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#8
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I Will not Admit my Addiction to RS
Join Date: May 2010
Location: Vancouver
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do a compression test
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04-24-2013, 05:48 AM
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#9
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NOOB, Not Quite a Regular!
Join Date: Dec 2009
Location: -
Posts: 25
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Quote:
Originally Posted by snails
boggy? sounds like its running rich! how does the exhaust smell? un burnt fuel?
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yes
Quote:
Originally Posted by predom
You don't just burn coolant without you noticing. There will be a smell, if you can't see it on the ground, then your headgasket is toast
Posted via RS Mobile
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I see small amounts leak. I'm talking like a drip sometimes.
Quote:
Originally Posted by i-vtecyo
hook up a fuel pressure gauge.
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Good idea.
Quote:
Originally Posted by skylinergtr
do a compression test
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would a low compression test mean the head gasket is bad?
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04-24-2013, 10:00 AM
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#10
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Where's my RS Christmas Lobster?!
Join Date: Aug 2010
Location: B.C
Posts: 871
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^ could mean rings, head gasket, or valves, but in ur case, if its low + the factor of loss of coolant, possibly head. just start with fuel pressure gauge, and coolant pressure tester again. leave it hooked up over night if u have to at rad cap pressure. also check ur fuel lines for kinks and fuel system for rust holes setting off emissions code.
Quote:
Originally Posted by tooblahlol
I see small amounts leak. I'm talking like a drip sometimes.
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thats probably why ur low on coolant. if its coming from hose, replace it with new clamps. if its from under the timing cover area, water pump.
Last edited by i-vtecyo; 04-24-2013 at 10:11 AM.
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04-24-2013, 10:06 AM
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#11
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I don't get it
Join Date: Feb 2011
Location: Hawaii
Posts: 432
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Take out your cat converter and rip around the block. See if it still hesitates. Might be a little loud though. 
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04-24-2013, 10:34 AM
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#12
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RS.net, helping ugly ppl have sex since 2001
Join Date: Mar 2004
Location: Richmond
Posts: 8,645
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if only at 2-3k I don't think it's the cat. It's strong as usual past that range?
Take out the sparkplugs and look for one that's just simply very clean. You have coolant in that cylinder.
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