Emission air pump
#1
12-23-2010, 05:50 PM
Emission air pump
Does anyone know which V12s have air pumps and which don't and why?
My 74 E and my 95 6L XJS both have pumps. My 84 HE doesn't --- it hasn't been taken off -- never had it and the inlet manifold has no provision for the air tubes.
I also have another set of manifolds that have no holes for the air tubes.
The HE went through the smog test with flying colours first time --- I can't get the E through although I think I just need to spend some time on the carbs with the air/fuel meter.
Cheers, hale
My 74 E and my 95 6L XJS both have pumps. My 84 HE doesn't --- it hasn't been taken off -- never had it and the inlet manifold has no provision for the air tubes.
I also have another set of manifolds that have no holes for the air tubes.
The HE went through the smog test with flying colours first time --- I can't get the E through although I think I just need to spend some time on the carbs with the air/fuel meter.
Cheers, hale
#2
01-25-2011, 03:37 PM
Guest
Posts: n/a
Hale:
Not sure if this helps or applies, but you may want to check the stickers under the hood and/or on the door jamb that certify to which standards the vehicle was built. There is a federal standard and a California standard (there was a period when cars were ""California" cars or "49 state" cars. California has had tougher air quality standards than federal standards.
Not sure if this helps or applies, but you may want to check the stickers under the hood and/or on the door jamb that certify to which standards the vehicle was built. There is a federal standard and a California standard (there was a period when cars were ""California" cars or "49 state" cars. California has had tougher air quality standards than federal standards.
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