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Used Cars for sale - Used Trucks for sale [340105101] Buy Used Cars

Ram 1500 dtc P0455 & P0442

- Dodge-1500 Pickup

Forum Post
08/20/09 23:50

Ram 1500 dtc P0455 & P0442

How do I verify the function of the Leak Detection Pump? Is there any other likely cause of these codes? Intermittantly, the engine speed will vary (like a vacuum leak) but not all the time.

Thanks in advance

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This forum post has messages dated from 08/20/09 through 10/28/10, please be sure to read all the messages. If you feel it is old or outdated, please follow up with a question or comment and someone may be able to update it, or reply with newer information if you have it.

09/04/09 23:46

How do I verify the function of the Leak Detection Pump? Is there any other likely cause of these codes? Intermittantly, the engine speed will vary (like a vacuum leak) but not all the time. dodge ram 03 p codes 442 and 445
10/28/10 20:07
Charles Thompson

I have a 2005 Dodge Ram 2500, 5.7L, 4X4, 97, 000 miles with a trouble code P0455. I have looked closely at all the hoses and containers and I don't see any problems. My scanner has the following info; DTCFRZF P0455, FuelSys1 CL, FuelSys2 CL, LoadPCT 49.0, ETC 97, SHRTFT1 0.6, LONGFT1 -4.7, SHRTFT2 0.6, LONGFT2 -5.5, MAP 14.5, RPM 1769, VSS 11, SPARKADV 20, IAT 52, and TP 21.6. It is currently 37 degrees and 30.22 inHg & steady.

Is this any help?

Thank you, Charles

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