5.4 Rough Idle No Codes

5.4 Rough Idle No Codes. The leak was small enough that no coolant ever hit. 2004 ford f150 5.4 3v idles rough but clears when rev engine up.

My 2005 f150 5.4 is throwing p0174, p0012, p0021, p0303 codes running from www.justanswer.com

Hey all, 2002 f 150. When driving my 2004 f 150 and come to a stop sometimes it starts to idle low and skips.when i rev engine it. The leak was small enough that no coolant ever hit.

Source: www.f150forum.com

Been having this intermittent problem with my truck going on for 3 months now , first it was a misfire in bank 2 would randomly hesitate on starts and idling. The molded hose that runs into the heater core has a small leak under pressure and coolant was filling up the spark plug holes.

Source: www.ford-trucks.com

Hey all, 2002 f 150. While driving will cough once in a while.

Source: www.justanswer.com

Runs rough at the coast / power point. When driving my 2004 f 150 and come to a stop sometimes it starts to idle low and skips.when i rev engine it.

Hey All, 2002 F 150.

The leak was small enough that no coolant ever hit. Service engine light is on. Been having this intermittent problem with my truck going on for 3 months now , first it was a misfire in bank 2 would randomly hesitate on starts and idling.

When Driving My 2004 F 150 And Come To A Stop Sometimes It Starts To Idle Low And Skips.when I Rev Engine It.

While driving will cough once in a while. 2004 ford f150 5.4 3v idles rough but clears when rev engine up. Runs rough at the coast / power point.

The Molded Hose That Runs Into The Heater Core Has A Small Leak Under Pressure And Coolant Was Filling Up The Spark Plug Holes.

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