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This is an ignition error. that could one of several things wrong. since it is noted in Bank 1 it is a problem with the right side of the engine Cylinders 1, 3 or 5. located under the intake manifold (close to the firewall)
Other causes:
1. Fouled plug (cylinders 1, 3 or 5)
2. Bad ignition Coil (cylinders 1, 3 or 5)
3. Wire fault to Coils (cylinders 1, 3 or 5)
4. Fault with the O2 sensors (Right side bank 1)
1. Start by checking /changing the plugs. You have to remove the intake manifold to get to plugs (cylinders 1, 3 or 5). if the mileage is high and they have not been changed, then its probably due.
2. Inspect the coil wires for cracks or faults.
3. Swapping the coils cylinders 2, 4 & 6 for cylinders 1, 3 & 5. if the fault changes to bank 2 then you have a bad coil on 2, 4 or 6.
The Hyundai Elantra 2001 - 2005, 2.0 L engine is noted for this problem. It will lack power on acceleration and run rough and stall while driving. The engine light will come on for misfire codes. This problem is caused by a vaccum leak at the intake manifold gasket. The gasket is broken and needs to be replaced.
To replace the intake gasket with a new one, remove the 12m nuts holding the intake to the cylinder head. Then pry back( note: you do not have to completely remove the intake manifold here) the intake manifold to gain excess to remove the old gasket. Remove any excess gasket and clean with brake cleans the surface area of the intake. Install the new intake gasket on to the head and carefully install intake on to cylinder head studs. Tighten up nuts gradually and evenly to 15-20 ft.lbs.
Intake manifold gasket ,try torqueing intake bolts,or spray carb cleaner around bolts and seem while running see if it rums smoothly while spraying if so new intake manifold gaskets needed. YouTube video check to see.
Codes p1537 and p 1538 are codes for a faulty IMRC valve. They are located on the lower intake manifold.
Intake Manifold Runner Control (IMRC), Vacuum Control
Remove E-clip retaining vacuum control linkage to lever/shaft assembly.
Remove adjustment screw from the vacuum control (9S514) and bracket.
Remove two bolts retaining vacuum control and bracket to IMRC housing assembly.
Disconnect linkage from the lever/shaft assembly and remove vacuum control .
To install vacuum control and bracket assembly, reverse Removal procedure. Tighten retaining bolts to 8-11 Nm (71-97 lb-in). Adjust vacuum control as described.
Intake Manifold Runner Control (IMRC)
As for the misfire codes, Check out the upper and lower intake gaskets. Since you have to take the upper intake off for the imrc valves its just a few more bolts to remove the lower intake. The intake gaskets are rubber seals. When the engine is cold the seals shrink and causes a misfire. when the engine warms up the seals expand and the misfire goes away.
I have an 2002 Escape with a 3.0L engine.
First you need to get a OBD2 scan for the check engine code.
I suspect the code will tell you that one of the cylinders is misfiring.
If you also have the V6 engine, the most common cause of misfire is one of the Coil-Over-Plugs (COP). Each cylinder has a COP on the spark plug.
On the V6, you need to remove the upper intake manifold to get the back 3 COPs.
If you have a V6, and you have cylinder misfire, I recommend replacing all the plugs and coils.
I have had 2 COPs go bad. The second time, I replaced all of them.
Removing the intake is fairly easy if you have some repair experience. You need to get an intake gasket set for about $10-15.
The coils run +$75 each for OEM. I went with Ebay aftermarket; 6 coils for about $80.
I recommend replacing the plugs with the exact same brand as original. There is no miracle plug that will give you better performance or mileage. Stay original.
Ford Escapes are known for having problems with their ignition coils. #4 if this is a 3.0l is under the intake manifold. So the manifold will have to be removed. While you are there check the spark plugs if they are good replace the coil on #4, but I would replace the plugs and all 3 coils while the intake is off. Good Luck
hey thanks for bringing me up to speed. ive been working on many other problems but with your great explanation i remember. we need to check the compression on that cyl. and compare it to the compression on 2 other cylinders your choice. but before you do this get a can of carb cleaner . and with the car idling spray around the intake manifold in the area of #6 cyl. what we are looking for is a small vacuum leak that would also act like this. with the engine idling and spraying around the intake the engines idle sould not change and if it does when you spray you have an intake leaking. let me know how it turns out. later paul
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