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Message: [QUOTE="DEEZUZ, post: 1541900, member: 1508"] I disagree. I've had 1 cp4 failure due to fuel contamination. Bed was full of diesel 911 bottles. The rest had zero fuel contamination. CP4 can handle 4-5 minutes of air before it starts shredding apart. Think about every fuel filter change how much air you introduce.... Within 100k miles you've already sent many minutes of air through it just by changing fuel filters... IMO the #1 killer is air, whether it be from services or low fuel level tank slosh. it just can't handle that.... Funny, I've got cp3 trucks with over 600k on them, original pumps...every CP4 failure I've had so far has been 150k and under. So yea it's a manufacturer spec flaw.... [/QUOTE]

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