The electrodes were bent? If so something like a valve or piston hit the plug-maybe cracked head--
Bent spark plug, milky oil?? HELP PLEASE!!!!
Thread Starter
Melting Slicks
Joined: Jun 2006
Posts: 2,983
Likes: 6
From: Redondo Beach Ca
Bent spark plug, milky oil?? HELP PLEASE!!!!
I was at the track recently and went off into the dirt. A flashing check engine light came on soon after and I was getting an exhaust sputter/misfire. We found the #7 spark plug to somehow have bent?? We put a new plug in and regapped and the car was OK, but milky substance in the oil now.(not in oil before)
Yesterday I go on a drive and after an hour or so my coolant and oil temps headed toward 240 all of a sudden, so I shut off and let her cool down. I then drove her 15 minutes towards home and temps never passed 219. I go thru Jack in the box a mile from my house and temps start to go up again??
I did heads and cam 12k miles ago, so unless all of a sudden a head gasket went bad. I have an electric waterpump w/ 160 thermostat, did a compression test and all was fine.
I think today I will check the radiator for blockage.
ANY IDEAS?
Yesterday I go on a drive and after an hour or so my coolant and oil temps headed toward 240 all of a sudden, so I shut off and let her cool down. I then drove her 15 minutes towards home and temps never passed 219. I go thru Jack in the box a mile from my house and temps start to go up again??
I did heads and cam 12k miles ago, so unless all of a sudden a head gasket went bad. I have an electric waterpump w/ 160 thermostat, did a compression test and all was fine.
I think today I will check the radiator for blockage.
ANY IDEAS?
Instructor
Joined: Apr 2009
Posts: 155
Likes: 0
From: Mechanicsburg PA
I was at the track recently and went off into the dirt. A flashing check engine light came on soon after and I was getting an exhaust sputter/misfire. We found the #7 spark plug to somehow have bent?? We put a new plug in and regapped and the car was OK, but milky substance in the oil now.(not in oil before)
Yesterday I go on a drive and after an hour or so my coolant and oil temps headed toward 240 all of a sudden, so I shut off and let her cool down. I then drove her 15 minutes towards home and temps never passed 219. I go thru Jack in the box a mile from my house and temps start to go up again??
I did heads and cam 12k miles ago, so unless all of a sudden a head gasket went bad. I have an electric waterpump w/ 160 thermostat, did a compression test and all was fine.
I think today I will check the radiator for blockage.
ANY IDEAS?
Yesterday I go on a drive and after an hour or so my coolant and oil temps headed toward 240 all of a sudden, so I shut off and let her cool down. I then drove her 15 minutes towards home and temps never passed 219. I go thru Jack in the box a mile from my house and temps start to go up again??
I did heads and cam 12k miles ago, so unless all of a sudden a head gasket went bad. I have an electric waterpump w/ 160 thermostat, did a compression test and all was fine.
I think today I will check the radiator for blockage.
ANY IDEAS?
The milky oil is the result of a breached coolant system. Either a crack in the head as stated above or a bad head gasket.
Don
Thread Starter
Melting Slicks
Joined: Jun 2006
Posts: 2,983
Likes: 6
From: Redondo Beach Ca
I believe they put a scope in and everything looked OK. I doubt they thought of the head being cracked. I pray that it's not!
They thought some type of carbon got in and bent the electrode and then was spit out. Once the car was scoped and a new plug was installed, the misfire and check engine light were gone. Those symptoms were completely gone.
The milky oil, well that another issue. Question for you?? I run only deionzed water instead of coolant. I assume either way coolant/water is somewhow mixing with the oil??
Thread Starter
Melting Slicks
Joined: Jun 2006
Posts: 2,983
Likes: 6
From: Redondo Beach Ca
Why did you go off-track? Missed down shift? Over-revved by chance? By your wording I'm unclear on the chain of events...did you do the compression test after this episode or immediately after your cam/head install?
I took a turn to fast and hit a slight bump in the rear end. The compression test was done two days ago and heads/cam done 12k miles ago and ran flawlessly till now
The milky oil is the result of a breached coolant system. Either a crack in the head as stated above or a bad head gasket.
Don
I took a turn to fast and hit a slight bump in the rear end. The compression test was done two days ago and heads/cam done 12k miles ago and ran flawlessly till now
The milky oil is the result of a breached coolant system. Either a crack in the head as stated above or a bad head gasket.
Don
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Thread Starter
Melting Slicks
Joined: Jun 2006
Posts: 2,983
Likes: 6
From: Redondo Beach Ca
Looks as if it's going to have to be taken somewhere and ripped apart!
Tech Contributor
Joined: Dec 2006
Posts: 10,962
Likes: 29
From: Van Buren Arkansas
Wounded Warrior Escort '11
Yeah, I agree with everyone else here. Something destroyed that plug and now having coolant in the oil.. very bad sign. Stop driving it now. You'll need to pull it apart.
Instructor
Joined: Apr 2009
Posts: 155
Likes: 0
From: Mechanicsburg PA
X4 with the others. Smart move running water instead of antifreeze. That may have saved you from some bearing damage. I do this on my track car as well...with a bottle of water-wetter just for water pump lubrication.
I don't buy the carbon deposit theory...put hey it could be just that. I'd ASSuME that if that were the case you'd have misfires and the ECU would be throwing CEL's faster than our government bails-out lending institutions. If they scoped the cylinder and they say all is well...well maybe it is?
Change oil, bring it up to operating temperature and do a leakdown test next. I've also "T'd" into the coolant system and ran strapped a PSI gauge in the cockpit so I could see system pressure duruing WOT pulls. Sometimes, these gaskets only breach during extreme operating conditions...like HPDE's were temps are high and sustained high rpm use is common. It could be something as simple as an over torqued stud/bolt that yields at the above described events.
Don
I don't buy the carbon deposit theory...put hey it could be just that. I'd ASSuME that if that were the case you'd have misfires and the ECU would be throwing CEL's faster than our government bails-out lending institutions. If they scoped the cylinder and they say all is well...well maybe it is?
Change oil, bring it up to operating temperature and do a leakdown test next. I've also "T'd" into the coolant system and ran strapped a PSI gauge in the cockpit so I could see system pressure duruing WOT pulls. Sometimes, these gaskets only breach during extreme operating conditions...like HPDE's were temps are high and sustained high rpm use is common. It could be something as simple as an over torqued stud/bolt that yields at the above described events.
Don
Le Mans Master
Joined: Sep 2007
Posts: 7,604
Likes: 8
From: Belleville Il
It's been a while,,but I seem to remember reading that deionized water is not good to run in aluminum systems,,it can actually promote corrosion. They said you should run distilled water! Just passing info along!!
Drifting
Joined: Oct 2007
Posts: 1,673
Likes: 2
From: Titusville FL
Thread Starter
Melting Slicks
Joined: Jun 2006
Posts: 2,983
Likes: 6
From: Redondo Beach Ca
Been there done that!! Hope your problem is not an expensive one,,good luck!!!
