An air leak will result in sensor readings fluctuations that will trigger the codes.
\nFuel with high percentage sulphur will contribute to these fault codes.<\/p>\n[\/vc_column_text][\/toggle][toggle color=”Accent-Color” heading_tag=”default” heading_tag_functionality=”default” title=”P0470 Exhaust pressure sensor malfunction”][vc_column_text]Blockage in pipe from sensor to the exhaust[\/vc_column_text][\/toggle][toggle color=”Accent-Color” heading_tag=”default” heading_tag_functionality=”default” title=”P0471 Exhaust pressure sensor range\/performance”][vc_column_text]EGR valve \/ air leaks[\/vc_column_text][\/toggle][toggle color=”Accent-Color” heading_tag=”default” heading_tag_functionality=”default” title=”P242f (if left untreated)”][vc_column_text]\n
Faulty exhaust pressure sensor<\/p>\n[\/vc_column_text][\/toggle][toggle color=”Accent-Color” heading_tag=”default” heading_tag_functionality=”default” title=”P2031 exhaust gas temperature sensor circuit”][vc_column_text]\n
Loose or corroded connectors or terminals
\nBroken wires
\nFaulty sensor<\/p>\n[\/vc_column_text][\/toggle][toggle color=”Accent-Color” heading_tag=”default” heading_tag_functionality=”default” title=”P2032 exhaust gas temperature sensor low”][vc_column_text]\n
Loose or corroded connectors or terminals
\nBroken wires
\nFaulty sensor<\/p>\n[\/vc_column_text][\/toggle][toggle color=”Accent-Color” heading_tag=”default” heading_tag_functionality=”default” title=”P2033 exhaust gas temperature sensor high”][vc_column_text]\n
Loose or corroded connectors or terminals
\nBroken wires
\nFaulty sensor<\/p>\n[\/vc_column_text][\/toggle][toggle color=”Accent-Color” heading_tag=”default” heading_tag_functionality=”default” title=”P242f DPF restriction (ash accumulation)”][vc_column_text]\n
Excessive ash accumulation in DPF
\nDefective DPF pressure sensor
\nClogged DPF pressure sensor pipes\/hoses
\nOpen or shorted circuit\/s in the DPF sensor circuit
\nInefficient DPF regeneration
\nOveruse of engine or fuel system additives
\nThe active DPF regeneration system inoperative<\/p>\n[\/vc_column_text][\/toggle][toggle color=”Accent-Color” heading_tag=”default” heading_tag_functionality=”default” title=”P244a DPF differential pressure too low”][vc_column_text]\n
Insufficient\/incorrect diesel exhaust fluid
\nOpen or shorted circuit – DPF pressure sensor
\nDefective pcm programming
\nDefective DPF sensor
\nFaulty DPF<\/p>\n[\/vc_column_text][\/toggle][toggle color=”Accent-Color” heading_tag=”default” heading_tag_functionality=”default” title=”P244b DPF differential pressure too high”][vc_column_text]\n
Insufficient\/incorrect diesel exhaust fluid
\nOpen or shorted circuit – DPF pressure sensor
\nDefective pcm programming
\nDefective DPF sensor
\nFaulty DPF<\/p>\n[\/vc_column_text][\/toggle][\/toggles][\/vc_column][\/vc_row]\n","protected":false},"excerpt":{"rendered":"
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