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MYeary

MAP sensor replacement

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I recieved code PO238 & now need to replace the map. (99 24 valve stock) any special tools or tips on doing this, just a socket-size ect. Thanks

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Thanks for the quick reply , any idea where to order a new sensor . I guess this is the problem the truck runs fine will it hurt anything to still drive it with the code till I get it replaced , cleared it but it comes back.

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It will run like a dog... The fact is as long as the code keep coming back the engine will go to limp mode and defuel heavy. As for replacement sensors it would be a good idea of check with a Cummins dealer first because parts store are a bit high in price for the MAP sensor typically.

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