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2004 F150 5.4 LITER ENGINE HESITATION ACCELERATING BETWEEN 45 AND 55 MPH

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Engine light on, flashing and hesitation when accelerating?


You will have to have your vehicle scanned to retrieve trouble codes. with the codes diagnostics of the problem can be more reliable. It could be something as simple as a vacuum line cracked or off. check links below for more info, press the helpful button.
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Jan 27, 2016 | Cars & Trucks

1 Answer

I am expriencing the same problem on 2004 Grand Prix. Did you vere find a solution?


Since you have "check engine" light turn on, will need scanner the PCM to know what fault code is stored there; with this code number could send you additional details, Sound like a emissions problem.

Keep in touch.

Feb 06, 2012 | 2004 Pontiac Grand Prix

1 Answer

Rough idle, sputtering, and backfiring.


try turning ur idle up its the pin on the throtle body just make sure u tuen the engine off and on again fter each adjustment to reset ur computer on ur engine

Apr 04, 2010 | 1994 Oldsmobile Eighty Eight

1 Answer

HESITATION WHEN ACCELERATING


+check plug gap adjustment ,25th ,they should be changed around 10.000 miles and if the gap is excessive then this will cause the missing and extreme cases retarded timing ,ok a knats whatsit but with modern fuel and the amount of ethanol it contains ?

Mar 23, 2017 | 1998 Toyota T100

1 Answer

1996 Ford Explorer vibrates when idling. Also have noticed that when I go 80 mph, it "jumps" every few seconds. Like it skips a beat. I don't know how to explain it but it seams to "stall" like if you were...


You have a hesitation. A hesitation is cause be either:
1. bad spark plug
2. bad spark plug wire
3. bad or leaky or plugged injector
4. timing is off
5. leaky vacuum hose

Mar 04, 2009 | 1996 Ford Explorer

1 Answer

Hesitation acceleration


have you checked the fuel injector? if enough fuel is not getting through when accelerating it could "choke" causing the hesitation

Feb 24, 2009 | 2004 Dodge Caravan

1 Answer

2004 dodge caravan 2.4 Hesitates during Acceleration and at idele


You should definitely replace the fuel filter though this probably won't fix your hesitation. It wouldn't hurt to replace the spark plugs this is usually the culprit on these engine. I have the same engine in a '99 caravan and found the for some reason the spark plugs on cylinder 3 and 4 loosen up after one year and cause a misfire between 45 and 50 mph under load (when mildly accelerating).

Jan 06, 2009 | 2004 Dodge Caravan

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