Differing code 33's
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Junior User
Joined: Oct 2001
Posts: 93
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From: Tulsa
Differing code 33's
Experts,
The code 33 description in the manual which came with my code reader reads, " EGR Valve Fault / not closing properly".
The description in my Chilton's manual reads, "EGR Valve opening not detected".
So which is it, "not opening" or "not closing"? Not closing would indicate to me a faulty or dirty valve. "Not opening" may or may not be the valve. Am I on track here? Can the EGR valves on these be cleaned?
1995 F150 300 I6 5 speed.
The code 33 description in the manual which came with my code reader reads, " EGR Valve Fault / not closing properly".
The description in my Chilton's manual reads, "EGR Valve opening not detected".
So which is it, "not opening" or "not closing"? Not closing would indicate to me a faulty or dirty valve. "Not opening" may or may not be the valve. Am I on track here? Can the EGR valves on these be cleaned?
1995 F150 300 I6 5 speed.
Senior User
Joined: Aug 2000
Posts: 166
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Differing code 33's
I thought my truck put out a 33 one time so I took it to the garage and they put a digital code reader on the truck. The digital code reader indicated the truck was sending 111 twice in a row so I had just mis-read it.
