engine shakes after e-fan install - Ranger-Forums - The Ultimate Ford Ranger Resource


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  #1  
Old 08-14-2008
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engine shakes after e-fan install

i recently installed an electric fan on my 2000 ranger, now when i turn the engine on the whole truck shakes as if the engine is about to stall but the rpms go up to 900-1200? what could be causing this problem, how can i stop this? ive already checked the claps on the intake, all the sensors are conected, but still the truck shakes a lot any help
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Old 08-14-2008
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Where did you tap into the factory wiring? It's pretty hard to mess up the engine when putting a fan in, double check you didnt bump something loose
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Old 08-14-2008
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Fan might have not been setup at the controller. Check your IAC and make sure its not stuck. If you have overheated in your initial run-up process, the IAC can become stuck.
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Old 08-14-2008
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ive run the truck around the block without the e fan or the clutch fan, it just wont stop shaking, before i began to mess with it my scan gauge showed the timing to be at 25 30 33 under normal driving, when i steped on gas it would show 17-18 at WOT, but now after i removed the fan the timing shows 14 15-16 and it wont go past that neither at idle or wot, dont know if this has anything to do with the shacking.
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Old 08-14-2008
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Check your idle air controller (IAC) and the simple stuff. Make sure you pullies are all tight, and are you throwing a CEL? Did you do anything else to the truck?
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Old 08-17-2008
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You need to figure out if it's fuel, air, or spark.

If the motor seems to get smoother with load.. it could be a vacuum leak. Often times the motor will run, but a right sized leak can cause roughness. It should be throwing a code though if that's the case.

If that's not the case. I'd go looking for either a insufficient spark or a plugged injector.

IMO there is nothing related to the e-fan that would cause a miss or roughness.

Rich

Last edited by wydopnthrtl; 08-20-2008 at 01:21 PM.
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Old 08-18-2008
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im guessing its proabably a pluged inyector cause the fuel gauge was a little under the E, i refueled the tank and added an inyector cleaner but its still doing the same thing.
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Old 08-20-2008
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Quote:
Originally Posted by poor_boy_custom View Post
im guessing its proabably a pluged inyector cause the fuel gauge was a little under the E, i refueled the tank and added an inyector cleaner but its still doing the same thing.
Low fuel level won't cause roughness. It would only loose power if your fuel pressure was weak.

Rich
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Old 08-20-2008
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how did you wire your fan to come on? on my old ranger i accidentally tapped into one of the coil wires and it cause such a voltage drop it caused one of the coils not to fire.. and with the 4.0 that's two cylinders that weren't firing. anyway make sure you didn`t tap into anything important.
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Old 08-20-2008
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My truck shakes because of bad spark plugs (check engine light was not on)
That could be it, maybe.

Like everyone else said, make sure you didn't knock anything out of place.
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  #11  
Old 08-23-2008
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problem fixed, turns out it was 2 burned plug wires that were touching the header
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Old 08-23-2008
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Quote:
Originally Posted by TrucksGetDirty View Post
My truck shakes because of bad spark plugs (check engine light was not on)
That could be it, maybe.

Like everyone else said, make sure you didn't knock anything out of place.
Good tip! I think you win since it had to do with his plug wires lol
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  #13  
Old 09-03-2008
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so finally i had time to install the e-fan back on the truck, acording to the scan gauge the engine load is pretty high im not even half way on the gas and it shows 60 + and before when i did the fan and pulley i had to floor it to get it above 60

is that normal? how does it afect it can it be lowered?
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