Question about 1994 Jeep Grand Cherokee
The valve is on the intake manifold right below the vacuum port that leads to the brake booster. very weird looking and not like most but there is a large vacuum switch hooked to it so look for the lines going to it.
Posted on Dec 04, 2009
Before taking it for retest give it some welly in low gear that should clear it without any ajustment just needs a good blow out
Posted on Nov 12, 2009
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Posted on Jan 02, 2017
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Nov 14, 2012 | 1994 Jeep Grand Cherokee
Please note that while a failed catalytic converter will contribute to high NOx readings, the failure in itself may have been caused by some other upstream performance problem. In all cases, it is crucial to identify the root cause of the problem before blaming the converter.
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