Firing order

Tiny
NANCY DEITZ
  • MEMBER
  • 3 POSTS
I need just to look at the firing order for a 1979 f 100 truck, 300-6 cylinder (not anything else) please
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Monday, February 8th, 2021 AT 12:45 PM (Merged)
Tiny
BOBMONTANA
  • MEMBER
  • 1 POST
  • 1977 FORD F-150
  • 6 CYL
  • 2WD
  • MANUAL
  • 120,000 MILES
My problem started after replacing the distributor cap and rotor because of a rough idle. Now the engine misses real bad and exaust is black and smels like it is running too rich. Adjusting the timming did not help and the spark plug keep sooting up.I replaced the plugs plug wires distributor cap and rotor, new fuel filter. And the carburator has no fuel mixture adjustment. What else could be the problem?Sure could us some help. Thanks. Bob
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Monday, February 8th, 2021 AT 12:45 PM (Merged)
Tiny
ROB2008
  • MECHANIC
  • 258 POSTS
Make sure you have the firing order right and rotor is in the right position .

To make sure you have the rotor in the right position find the ,"tdc" To do that remove 1 spark plug, put your finger over the hole and have someone move the crankshaft by hand (t-bar and a socket on the end of the crank pulley) turn the crank untill you feel air push your finger from the hole. When it does watch the crankpulley and put it on 0 degress you are now top dead center on number one.

this should be the firing order for your vehical


https://www.2carpros.com/forum/automotive_pictures/181498_ford_firing_order_1.jpg



I read some where that Rough idle, that cannot be corrected by normal service procedures on 1977 and later models, may be cause by leakage between the EGR valve body and diaphragm. To determine if this is the cause.

Hope this helps ya.
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Monday, February 8th, 2021 AT 12:45 PM (Merged)

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