lean?

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KSneon
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lean?

Post by KSneon » Thu Aug 09, 2012 9:39 am

ok i have a sohc with p/p head comp cam cai header downpipe and cat back exhaust the engine is running lean i know by an a/f gauge and the only thing i can think of is the 2nd o2 sensor can i do something about it? or is there something im missing

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northern
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Post by northern » Thu Aug 09, 2012 7:23 pm

do you have an exhaust leak?, do you still have your EGR?
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KSneon
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Post by KSneon » Fri Aug 10, 2012 7:54 am

i still have the egr just put on block off plates and i do have an exhaust leak i need and am working on putting on a flex pipe

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northern
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Post by northern » Fri Aug 10, 2012 7:09 pm

Just had to ask cause the EGR can be bad( stuck 1/2 open/closed causing this problem, whats the fuel pressure? is the map or iac dirty?
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KSneon
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Post by KSneon » Sun Aug 12, 2012 4:41 pm

fuel pressure is 49psi and both of those are good and clean

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northern
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Post by northern » Sun Aug 12, 2012 9:32 pm

hows the fuel spray from the injectors?
hows the resistance on the injector coils?
they should be 1-5% of each other.
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KSneon
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Post by KSneon » Mon Aug 13, 2012 9:44 pm

I have no idea how to test those

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northern
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Post by northern » Tue Sep 04, 2012 10:49 pm

Do you have access to a scope? where you can see the wave form of the pulse from the injectors?
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