check engine codes on my ls
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Junior Member
Joined: Aug 2005
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From: Pembroke Pines, Florida, United States
check engine codes on my ls
well i have a 1996 ls special edition, and for about 2 months now i've had check engine and maint req, lights on and the codes that show are P0420, P1336, AND P1337 I believe the first one is a o2 sensor code, i was wondering was that because i gutted my cat or would that not throw a code. any advise
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Joined: Jul 2005
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From: des moines, iowa
Re: check engine codes on my ls (96LsBang)
to reset you maint. req light look up under you dash and you will see a button hold that in and that will go away. If you cant find the button look in your manual it has a pic there
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From: WeHo, CA, USA
Re: check engine codes on my ls (96LsBang)
The P0420 is a Catalyst System Efficiency below threshold code, so I would say that is a direct result of having a gutted cat.
The P1336 and P1337 are intermittent interruption and no signal codes for the Engine (Crankshaft) Speed Fluctuation Sensor.
The P1336 and P1337 are intermittent interruption and no signal codes for the Engine (Crankshaft) Speed Fluctuation Sensor.
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From: I like girls
Re: check engine codes on my ls (purplegsr)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by purplegsr »</TD></TR><TR><TD CLASS="quote">The P0420 is a Catalyst System Efficiency below threshold code, so I would say that is a direct result of having a gutted cat. </TD></TR></TABLE>
Obd2 isn't very fond of a gutted cat, Not sure about the crankshaft though.
Obd2 isn't very fond of a gutted cat, Not sure about the crankshaft though.
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Joined: Oct 2003
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From: WeHo, CA, USA
Re: check engine codes on my ls (FlatBlackTeg)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by FlatBlackTeg »</TD></TR><TR><TD CLASS="quote">
Obd2 isn't very fond of a gutted cat, Not sure about the crankshaft though.</TD></TR></TABLE>
Exactly, you might want to switch over to obd1, go to a high-flow cat, or an o2 simulator
As for the crankshaft speed position code, it could be a distributor, sparkplug, sparkplug wire problem. I believe the distributor has the crankshaft position sensor integrated into it, so you could try to get a new CPS harness. I would first replace your spark plugs and see if that helps, then test for connectivity with a multimeter (look in the helms manual at http://www.redpepperracing.com), and then replace the harness or the entire distributor, depending on the cheaper option. Sometimes buying a dizzy from distributorking is cheaper than replacing one expensive component.
Obd2 isn't very fond of a gutted cat, Not sure about the crankshaft though.</TD></TR></TABLE>
Exactly, you might want to switch over to obd1, go to a high-flow cat, or an o2 simulator
As for the crankshaft speed position code, it could be a distributor, sparkplug, sparkplug wire problem. I believe the distributor has the crankshaft position sensor integrated into it, so you could try to get a new CPS harness. I would first replace your spark plugs and see if that helps, then test for connectivity with a multimeter (look in the helms manual at http://www.redpepperracing.com), and then replace the harness or the entire distributor, depending on the cheaper option. Sometimes buying a dizzy from distributorking is cheaper than replacing one expensive component.
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