Is the timing off?
08-08-2007, 07:07 PM
#1
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Join Date: Mar 2005
Location: Hudson, NC, USA
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Is the timing off?
Ever since I've had my car, it's back fired at low rpms, so I have to keep it past 2k or it'll back fire and this sucks my MPGs down to crap. So here's my specs:
'00 Prelude SH
AEM Cams
AEM Fuel Rail
MSD-I Ignition
Custom Exhaust
CEL is throwing a rear O2 code.
friend of mine told me that the MSD igintion could be doing that - so I went and bought a factory OEM Ignition and still did the same. Someone told me the Fuel/Air could be set wrong, I fixed that and still the same. I replaced both O2 sensors and still the same code. So the only thing I haven't tried yet was Timing. Could that be it? If so, how do I go about setting it? Thanks in advanced.
'00 Prelude SH
AEM Cams
AEM Fuel Rail
MSD-I Ignition
Custom Exhaust
CEL is throwing a rear O2 code.
friend of mine told me that the MSD igintion could be doing that - so I went and bought a factory OEM Ignition and still did the same. Someone told me the Fuel/Air could be set wrong, I fixed that and still the same. I replaced both O2 sensors and still the same code. So the only thing I haven't tried yet was Timing. Could that be it? If so, how do I go about setting it? Thanks in advanced.
08-08-2007, 07:18 PM
#2
Honda-Tech Member
Re: Is the timing off? (mswanson00)
-What 02 sensor did you buy? OEM or vatozone BS
-Check your timing with a timing light
-And umm I dont think you have AEM cams...maybe cam gears
-Check your timing with a timing light
-And umm I dont think you have AEM cams...maybe cam gears
08-08-2007, 07:40 PM
#4
Honda-Tech Member
Re: Is the timing off? (mswanson00)
Sonds like its running really rich or the timing is advanced to far...or a combo of both...
What do the spark plugs look like? They should be a light tan color
What do the spark plugs look like? They should be a light tan color
08-08-2007, 07:48 PM
#6
Honda-Tech Member
Re: Is the timing off? (mswanson00)
does it have an adjustable Fuel pressure regulator ? such as an AEM,B&M,etc...
if so check the fuel pressure with the vaccum hose removed and see if its in spec with the manual. This could also be a result of an incorrect o2 sensor,or a faulty injector thats stuck open,
if so check the fuel pressure with the vaccum hose removed and see if its in spec with the manual. This could also be a result of an incorrect o2 sensor,or a faulty injector thats stuck open,
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