Running Rich??

Information on the naturally-aspirated KA24E and KA24DE engines.
User avatar
shortmorgan
Posts: 58
Joined: Tue Dec 16, 2008 7:31 am
Car: 1990,93,97 240sx

Post

My sohc is continually running rich. I've cleaned the MAF.. I was running it without a therm for a little bit but it now has one and is running and idleing fine.. It shoot a little carbon out the tail pipe "sometimes" but not most of the time.. A little white smoke as well when I get into it..

Side note.. When your motor is running smooth shouldn't you be able to open the radiator cap and then crank, and make sure the coolant is flowing well? Mine is not flowing well.. It shoots out of the cap a little.. Any and all HELP is appreciated.. and REV D I searched and I only found 1 thread about running rich.. Thanks..


User avatar
Infinitiguy19
Posts: 7787
Joined: Sat Dec 22, 2007 4:58 pm
Car: 1993 Infiniti Q45 188580 Miles
1994 Infiniti Q45a 240000 Miles

Post

shortmorgan wrote:My sohc is continually running rich. I've cleaned the MAF.. I was running it without a therm for a little bit but it now has one and is running and idleing fine.. It shoot a little carbon out the tail pipe "sometimes" but not most of the time.. A little white smoke as well when I get into it...
Check the injectors.
shortmorgan wrote:Side note.. When your motor is running smooth shouldn't you be able to open the radiator cap and then crank, and make sure the coolant is flowing well? Mine is not flowing well.. It shoots out of the cap a little.. Any and all HELP is appreciated.. and REV D I searched and I only found 1 thread about running rich.. Thanks..
Why would you open the radiator cap when the car is running?

Squeeze the coolant hose to check the pressure.

User avatar
Wc240
Posts: 899
Joined: Tue May 12, 2009 8:58 pm
Car: 89 Nissan 240SX
97 Nissan 200SX
91 Nissan 240SX ka-t
06 Scion xB
2000 Nissan Frontier
Contact:

Post

1 thread about running rich? try again.

check the basics. injectors(id do later down the line) CTS, O2, spark plugs, air filter, cap rotor... etc

dont pull the cap off when hot, theres a reason they make warning stickers. the reason you open it and crank is while your checking a headgasket issue

User avatar
shortmorgan
Posts: 58
Joined: Tue Dec 16, 2008 7:31 am
Car: 1990,93,97 240sx

Post

Wc240 wrote:1 thread about running rich? try again.

check the basics. injectors(id do later down the line) CTS, O2, spark plugs, air filter, cap rotor... etc

dont pull the cap off when hot, theres a reason they make warning stickers. the reason you open it and crank is while your checking a headgasket issue
Not .. I typed it in wrong, so for4 anyone I mislead (on accident) I searched once again and found alot.. So thanks..

And I meant open, and then crank.. Not Crank, build pressure, and open.. LOL.. But I guess I can see how you might have misunderstood me..


Return to “KA24E / KA24DE Forum”