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Ron
Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 23001
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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E350 has lack of power pulling a ll, 2011, checked fuel

Customer Question

E350 has lack of power pulling a hill
JA: What year is your E350?
Customer: 2011
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: checked fuel pressure-OK did a back pressure test on cat.-OK check spark plugs-OK stall test on trans.had low pressure
JA: How many miles are on the car? Have you had the fuel pressure tested recently?
Customer: 127598miles and yes today
JA: Anything else you think the mechanic should know?
Customer: it did have a P0300 code cleaned mass.air flow and it has not came back
JA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the Ford Mechanic about your situation and then connect you two.
Submitted: 8 months ago.
Category: Ford
Expert:  HDGENE replied 8 months ago.

Hello, what engine and trans is in this e series? Gas or diesel?Transmission stall test was low?WHen does it start loosing power up a hill? At highway speeds?

Customer: replied 8 months ago.
6.8 gas engine.5R110 trans.yes up a hill at highway speeds.
Expert:  HDGENE replied 8 months ago.

Ok so fuel pressure was good during the concern, but you said stall speed was low? Stall speed test is only done at wide open throttle at a stand still. No codes now that the mass air flow sensor has been cleaned. Will it pass a key on engine off and key on engine running test? Are you towing when going up hill and the problem occurs? No modifications done, all stock?

Expert:  HDGENE replied 8 months ago.

Hello, do you need more help with this concern?

Customer: replied 8 months ago.
new cat fixed it.thanks for help.
Expert:  HDGENE replied 8 months ago.

Ok just following up, didnt hear back from you. Glad you got it fixed!