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Ron, ASE Certified Technician
Category: Ford
Satisfied Customers: 23821
Experience:  23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
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James, if you don't mind, let's go from start. The 1999

Customer Question

Hi James, if you don't mind, let's go from start. The 1999 ford f250 7.3L engine. Had Hard To start, replaced glow plugs, inhector o rings and for what I understand is taking to long 10 15 minutes to warm up then ran fine. What else can go wrong to have
this problem. I know the ICP sensor is going bad. Would that cause all this problem or part of that. Your thoughts. I was leaning to bad LPOP Not supplying fast enough, but runs fine when hot.
Submitted: 2 years ago.
Category: Ford
Expert:  James replied 2 years ago.
Hello, did we recently work on this vehicle?
Customer: replied 2 years ago.
Yes, you recommended to change injector o rings and and also changed glow plugs that were bad. It did help. This truck was park lack of money now I started up for the las three days and ran. After warms up it runs fine the problem ind the mornings. It starts right of way but sounds like only three four cylinders working until warms up levels off and runs fine.
Expert:  James replied 2 years ago.
So the vehicle is running rough still until it warms up?
Customer: replied 2 years ago.
Yes it does
Expert:  James replied 2 years ago.
Can you perform an injector buzz test and see if you get any codes?
Customer: replied 2 years ago.
Thanks James, I got side track. I am going to do the injectors buzz. An let you know the outcome.
Expert:  James replied 2 years ago.
Sounds good
Customer: replied 2 years ago.
My opologies James, got busy an other and had trouble login in.
Expert:  James replied 2 years ago.
That's ok were you able to perform the buzz test?