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04-23-2013, 09:43 AM
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#1 | | NOOB, Not Quite a Regular!
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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 | | F**K YOUR HEAD
Join Date: Apr 2009 Location: vancouver
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how is your catalytic convertor?
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04-23-2013, 01:01 PM
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#3 | | Zionism gets my shell hard and slimy
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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 | | Where's my RS Christmas Lobster?!
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Fuel try changing the ignition coil. Also check fuel pressure
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04-23-2013, 05:48 PM
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#5 | | Banned By Establishment
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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
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04-23-2013, 09:44 PM
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#6 | | Where's my RS Christmas Lobster?!
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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 | | My name is PJ and I like dogs.
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| Quote:
Originally Posted by ilvtofu  how is your catalytic convertor? | first thing that came to mind too
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04-23-2013, 11:02 PM
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#8 | | I Will not Admit my Addiction to RS
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do a compression test
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04-24-2013, 05:48 AM
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#9 | | NOOB, Not Quite a Regular!
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| Quote:
Originally Posted by snails boggy? sounds like its running rich! how does the exhaust smell? un burnt fuel? | 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 | I see small amounts leak. I'm talking like a drip sometimes. Quote:
Originally Posted by i-vtecyo hook up a fuel pressure gauge. | Good idea. Quote:
Originally Posted by skylinergtr do a compression test | 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 | | Where's my RS Christmas Lobster?!
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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. | 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 | | I don't get it
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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 | | RS.net, helping ugly ppl have sex since 2001
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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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