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Bank 1 & 2 too lean code

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Old Jun 24, 2005 | 11:37 PM
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iagainsti's Avatar
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Bank 1 & 2 too lean code

I just got my 1st check engine light 2 months after replacing my manifold with an Edelbrock Performer. Its a 96 351 timed with spout removed @ 14deg. It drives great no pinging noticed even under load. Is this normal or am I timed up to much ? Has anybody else had this happen with this particular manny swap ? Thanx
 
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Old Jun 25, 2005 | 01:36 AM
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Talking

sorry i can't answer your question, but i was wondering other than the error code, how has the performer intake manifold worked for you? Did you get more power? Did your your gas mileage get a lot worse? I'm thinking of getting one for my 93
 
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Old Jun 25, 2005 | 09:32 AM
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the power increase is good I dont think this manifold really comes to life without better flowing heads and a matching cam. I have the 56mm TB + manny and it really boosted the midrange over stock. Right now my gas mileage is actually alot better, but I'm assuming it has to do with my lean condition codes.
 
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Old Jun 25, 2005 | 12:41 PM
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yes your timing is a tad high. back off to 12 or 13*. the intake your running is the truck efi intake correct?
 
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Old Jun 26, 2005 | 01:16 PM
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Kem not quite sure what you mean ? I have a MAF 351 with the proper 5.8 EFI manifold from Edelbrock. I just pulled my 4000lb boat up a hugh *** hill yesterday no pings or knock that I could hear, doesnt mean its not I just couldnt tell. I'll kick the timing back down a tad and see if my code resolves itself.
 
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Old Jun 27, 2005 | 08:48 AM
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From: Bend,OR
how many o2 sensors do you have. one could be giving a bad reading ? whats your fuel pressure at the rail? might pull plugs on those 2 cylinders and see how they look
 
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Old Jun 27, 2005 | 01:09 PM
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I thought bank 1 referred to the passanger side 4 cylinders and bank 2 to the driver side 4. Is bank 1 vs 2 referring to just cylinder 1 & 2 only ? My plugs look grand. I have not checked fuel pressure yet. Is that done from the spout on the fuel rail ?
 
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Old Jun 27, 2005 | 01:15 PM
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From: Bend,OR
ok yes that is revering to each bank or side of motor. check fuel pressure at the rail and i would imagine if the plugs look good then both or all 3 of your o2 sensors are bad giving that reading. i would get them replaced otherwise you could burn up a piston
 
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Old Jun 27, 2005 | 01:27 PM
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From: winder
if not sensor, check fuel pressure
 
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