Help Please
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From: Benton, Il
Help Please
Hello everybody. I have 2011 ford Ranger 2.3 4x2 and other day I was stuck on ice. I tried revving it up and throwing it in gear. Every since I did it is like it’s in limp mode or something. Runs very rough at idle and even worse when under load of transmission. Sounds muffled or plugged but catalyst isn’t get red hot and I don’t think it’s head gasket no loss of coolant and oil looks fine. Throwing code P0351.
Welcome to the forum
P0351 Ignition Coil A Primary/Secondary Circuit Malfunction
Check all 4 spark plugs and their wires back to the coil pack, if spark plugs are older just change them
You can inspect coil pack and look for cracks, can test it with ohm meter
Make sure the 3 wire connector is in good condition, look inside for signs of corrosion
The two things are unrelated, outside of a jolt to vehicle causing an issue with spark system
Its not in Limp Mode, engine is misfiring so has low power
As for being stuck in a rear wheel drive vehicle, try using the Parking brake next time
You have an OPEN differential in the rear, this means the EASIEST wheel to spin gets ALL the power, yes not great but that's what 90% of all vehicles have
Hold out the Park brake release handle
Have vehicle in gear an one wheel SLOWLY spinning
Press down the parking brake pedal slowly this will make the slow spinning wheel HARDER to spin, so some power will be transferred to the OTHER wheel, and it will start to spin, and if it has some traction you can often get unstuck
This is a bit of an "art", my Grandfather taught it to me, and it has worked for me many times, very hard to do with manual trans but can be done, lol
If both rear wheels have no traction then slowly rocking vehicle forward and backwards is best approach, forward slow and back slow, repeat
If possible remove snow or ?? from in front of FRONT WHEELS and rear wheels, and rock
What you are trying to do is to get a longer flatter spot in front of the tires to get enough forward momentum to over come the resistance that prevents forward motion
Front wheel drive vehicles, and 4x4s, have the advantage of the engine weight above the front tires so better traction, but also the front wheels PULL the vehicle up and over obstructions like piles of snow
Rear wheel drive has to PUSH front wheels thru the snow, so they tend to dig in
i.e. try to push a sled thru the snow versus pulling a sled thru the snow, one method is way easier, lol
P0351 Ignition Coil A Primary/Secondary Circuit Malfunction
Check all 4 spark plugs and their wires back to the coil pack, if spark plugs are older just change them
You can inspect coil pack and look for cracks, can test it with ohm meter
Make sure the 3 wire connector is in good condition, look inside for signs of corrosion
The two things are unrelated, outside of a jolt to vehicle causing an issue with spark system
Its not in Limp Mode, engine is misfiring so has low power
As for being stuck in a rear wheel drive vehicle, try using the Parking brake next time
You have an OPEN differential in the rear, this means the EASIEST wheel to spin gets ALL the power, yes not great but that's what 90% of all vehicles have
Hold out the Park brake release handle
Have vehicle in gear an one wheel SLOWLY spinning
Press down the parking brake pedal slowly this will make the slow spinning wheel HARDER to spin, so some power will be transferred to the OTHER wheel, and it will start to spin, and if it has some traction you can often get unstuck
This is a bit of an "art", my Grandfather taught it to me, and it has worked for me many times, very hard to do with manual trans but can be done, lol
If both rear wheels have no traction then slowly rocking vehicle forward and backwards is best approach, forward slow and back slow, repeat
If possible remove snow or ?? from in front of FRONT WHEELS and rear wheels, and rock
What you are trying to do is to get a longer flatter spot in front of the tires to get enough forward momentum to over come the resistance that prevents forward motion
Front wheel drive vehicles, and 4x4s, have the advantage of the engine weight above the front tires so better traction, but also the front wheels PULL the vehicle up and over obstructions like piles of snow
Rear wheel drive has to PUSH front wheels thru the snow, so they tend to dig in
i.e. try to push a sled thru the snow versus pulling a sled thru the snow, one method is way easier, lol
Last edited by RonD; Feb 11, 2022 at 12:40 PM.
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