The soot makes the egr valve leak, the leak makes the engine misfire on cylinder 4, and sometimes randomly on any cylinder I have a 2004 civic ex (147k miles) with 5 speed manual transmission The egr valve leak is causing the engine computer to set a.
Honda Crv 2024 Parts
This will cause the cylinders to misfire, and it'll throw p0304 if the leak is around that specific cylinder on the intake manifold.
Using a chemical block tester (combustion leak tester) using a block tester, to check for a blown head gasket when the previous 3 tests don't confirm it, will tell you without a shadow of doubt if it's blown or not.
Coolant was a milky white, using a test a fellow redditor suggested, posting in hopes he see and can confirm Thank for all the help so far! 2004 honda civic ex 1.7 mtx 4 dr 170k miles Cel came on about 2 months ago solid
I reset the codes, changed the plugs The codes were p0300 p0301 p0302 p0303 p0304 The old plugs looked pretty clean no oil whatsoever, but gaps looked a bit big, so i got the expensive plugs A few weeks ago the.
04 civic 1.7 overheating mechanic's assistant
Have you checked the coolant Have you checked for a leak in the cooling system Are you fixing your civic yourself What have you tried so far
Combustion chamber test, replaced tstat and water pump mechanic's assistant Anything else you want the mechanic to know before i connect you. Howto perform a leakdown test (pics) this is a general howto on performing a leakdown test A leakdown test basically tells you how well sealed your compression chamber is and give you more information about the general health of your engine than a compression check will.
It's very common on these cars, and even if it didn't start out as a leaking hg, it almost certainly has one now after being overheated more than once
They will often pass the combustion leak test too Only surefire way to diagnose it on those motors is a leakdown test, in my experience.
