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post #1 of 12 (permalink) Old 03-29-19, 06:57 AM Thread Starter
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Intermitten starting and stalling problems 1995 ford f150 4.9

Hello everyone.
I'm taking some suggestions on my current 1995 Ford f150 4.9. Every time I go to work in the morning the truck starts fine. It will sometimes stall while i'm sitting at a stop light or while i'm driving at about 45 mph. Also the truck will have trouble starting after the stall or if I cut it off then try to start it again in about 30 minutes. I will show a list of items below of what I replaced so far and am hoping someone has had this same issue. The truck only has about 114k on it and I know it has alot of life in it thanks for anyones help.


Replaces.
Fuel filter
ICM
IAC.

Considering replacing
MAP
EGR
disributor / spark plugs.

Side notes:
can hear both fuel pumps running
when you turn on 4 flashers only front passenger blinker works.

Thanks for any help im not a mechanic by anymeans so I do not know alot of tests i could run but am willing to learn anything

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post #2 of 12 (permalink) Old 03-29-19, 08:09 AM
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Re: Intermitten starting and stalling problems 1995 ford f150 4.9

Here's how to check for codes. http://www.troublecodes.net/ford/

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post #3 of 12 (permalink) Old 03-29-19, 09:52 AM Thread Starter
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Re: Intermitten starting and stalling problems 1995 ford f150 4.9

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Here's how to check for codes. http://www.troublecodes.net/ford/
thanks Bert will try that.
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post #4 of 12 (permalink) Old 03-29-19, 07:44 PM Thread Starter
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Ran codes 172 and 631 as I can tell from research this model has this common problem and no one is able to solve the issue. Looks to be I’ll sell it instead of trying to replace what everyone else has tried and had no luck. Still open to any suggestion
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post #5 of 12 (permalink) Old 03-30-19, 03:59 AM
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Re: Intermitten starting and stalling problems 1995 ford f150 4.9

172

(R,M)

Oxygen sensor not switching – system is or was lean – Single, Right or Rear HO2S – Fuel control


631

(O)

Overdrive Cancel Light circuit problem – Transmissions
(O)

Could check for any vac leaks . Checking / replacings plugs wont go wrong also .
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post #6 of 12 (permalink) Old 03-30-19, 08:05 AM
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Re: Intermitten starting and stalling problems 1995 ford f150 4.9

Did you do the KOEO and KOER?

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post #7 of 12 (permalink) Old 03-30-19, 08:24 AM Thread Starter
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Re: Intermitten starting and stalling problems 1995 ford f150 4.9

Noted will continue to check for Vac leaks. Is it possible for the O2 sensors to be going bad ?
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post #8 of 12 (permalink) Old 03-30-19, 09:58 AM Thread Starter
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Re: Intermitten starting and stalling problems 1995 ford f150 4.9

I do not have a OBD1 code reader I used the paper clip method to get these codes. Im assuming they are correct.
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post #9 of 12 (permalink) Old 03-30-19, 11:31 AM
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Re: Intermitten starting and stalling problems 1995 ford f150 4.9

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Noted will continue to check for Vac leaks. Is it possible for the O2 sensors to be going bad ?
They can go bad or the wiring can get damaged . They can also get fouled up with carbon / sooty deposits and sometimes you can get away with cleaning .

Never, never, never give up.
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post #10 of 12 (permalink) Old 03-31-19, 07:34 AM
2002 F150 XLT
 
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Re: Intermitten starting and stalling problems 1995 ford f150 4.9

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Originally Posted by bryda View Post
I do not have a OBD1 code reader I used the paper clip method to get these codes. Im assuming they are correct.
That way works. You can also run it with the engine running. That's the Key On Engine Running or KOER.

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