Possible HPFP failure
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04-22-2017 | 10:11 AM
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Possible HPFP failure
Hello everyone
My 2011 MCS recently started to develop a stuttering/hard start in the morning. It happens again this morning and the check engine light is on. I ran the dash command and got the following codes, P0301, P0303, P0304, and P0087. From what I have read it sound like my HPFP is about to go. I’m planning to make an appt with the dealer to have them check it. My question is should I remove my JB+ and AEM intake before I bring it in? I don’t want them to give me some excuses about aftermarket and not fix the problem. What are your thoughts? TIA.
My MCS currently has 43K miles and I replaced the plugs at 40K with cooler NKG plugs.
My 2011 MCS recently started to develop a stuttering/hard start in the morning. It happens again this morning and the check engine light is on. I ran the dash command and got the following codes, P0301, P0303, P0304, and P0087. From what I have read it sound like my HPFP is about to go. I’m planning to make an appt with the dealer to have them check it. My question is should I remove my JB+ and AEM intake before I bring it in? I don’t want them to give me some excuses about aftermarket and not fix the problem. What are your thoughts? TIA.
My MCS currently has 43K miles and I replaced the plugs at 40K with cooler NKG plugs.
