87 Lincoln Towncar Misfires after a few miles

[sreilly77]

Originally Posted by rhandwor

Be very careful using intake cleaners as it can damage your mass air flow sensor. I had a 1997 ford 5.4 pickup. There was a small tube between the air flow sensor and the motor in the duck. I used engine vacuum to pull it in the cleaner. But my engine wasn't stalling.
And had a small valve to control the flow. It really helped but I think your vehicle has an intake leak. If the carb cleaner makes the engine run smooth after spraying it along the edges try tightening the bolts if this doesn't work install a new gasket.
On your age vehicle this is a common problem.
Another problem I had with these engines was a leaking egr valve rough idle esp when coming to a stop sign. Normally you can clean them good and they will work properly for a couple of weeks. You can use your fingers and open it when the car is running and it will probably stall.

well with the MAF sensor what you do is you just take the air cleaner tube off the throttle body and pour it directly in (since the MAF sensor is located near the air cleaner box). what i DO know is those K&N Air Filters tend to mess up the MAF sensors since they are soaked in that oil or whatever it is.

remember, make sure when your pour the seafoam down the throttle body that you DRIZZLE IT VERY SLOWLY. once the engine starts to choke, you stop until the engine clears itself up (while reving like i stated before) and blows out all the carbon out the tailpipes.. then do it again until you use about 1/3-1/2 of the bottle.

also forgot to mention: make sure when your finished the process to take the car out for a couple miles so the rest of the junk can get blown out. if the car still runs rough, then i would also suggest checking your gaskets and your EGR valve/tube. let us know how you make you.

[87 Lincoln Owner]

Just a short update was looking through the egr system and found a cracked pipe that comes from the intake manifold to the valve right before the egr. That component valve looks like some sort of one way valve with a rubber flap inside is completely rusted and when i tried to remove it broke off. The pipe and fitting on both sides were rotted all the way through. The spring inside this component is just rolling around inside. Can anyone give me the exact name for this piece?

I believe this is the main problem

Thanks

________________

[sreilly77]

Originally Posted by 87 Lincoln Owner

Just a short update was looking through the egr system and found a cracked pipe that comes from the intake manifold to the valve right before the egr. That component valve looks like some sort of one way valve with a rubber flap inside is completely rusted and when i tried to remove it broke off. The pipe and fitting on both sides were rotted all the way through. The spring inside this component is just rolling around inside. Can anyone give me the exact name for this piece?

I believe this is the main problem

Thanks

________________

that would be the EGR tube...i think. someone is going to have to back me up on this one.

[rhandwor]

Go to page one of this link and find the lincolnsonline link. It shows a picture of an egr tube and a broken vacuum line. Tech link,then removing the egr valve. Good pictures and even shows tools needed. Another link shows how to clean the holes for the egr valve.
If you stop at a lincoln,mercury,or ford dealer get information from your emission sticker and mfg. date from a front door panel. Look at the micro fish and pick out exactly what you want. I found them to be very helpful. You will probably have to pay for it and pick it up in a couple of days.

[87 Lincoln Owner]

Originally Posted by rhandwor

Go to page one of this link and find the lincolnsonline link. It shows a picture of an egr tube and a broken vacuum line. Tech link,then removing the egr valve. Good pictures and even shows tools needed. Another link shows how to clean the holes for the egr valve.
If you stop at a lincoln,mercury,or ford dealer get information from your emission sticker and mfg. date from a front door panel. Look at the micro fish and pick out exactly what you want. I found them to be very helpful. You will probably have to pay for it and pick it up in a couple of days.

thanks will look into it..

[87 Lincoln Owner]

Just wanted to post some pics of the part and where it is located.

[rhandwor]

I think your picture is of an air diverter. Write down the part number on the valve this connects to then ford can look it up. Ask them to show you a picture on the micro fish and you can point to the parts you need. Sometimes ford is cheaper for the same part as a lincoln dealer thinks you can handle the increased cost.
Take all items off before ordering as you might need an additional hose or clamps.
Print off your picture before you go and take it with you as sometimes they use a different name.

[87 Lincoln Owner]

Ok got an update on the broken parts i found

The Valve is a ARI valve ford calls it and autozone has it list as a Air Pump Check Valve. Part # E9VZ9A487A at both places Ford Costs- $34.02 and AutoZone cost -$9.99

The Pipe is called Air Manifold Tube or Air Injection Reactor Pipe Part # E5AZ9B449A at both places Ford Costs- $73.30 AutoZone Costs- $30.00

What difference in price ....LOL

Thanks for all the help...will update everyone when i get the clogged Catalytic Converters fixed also....

[87 Lincoln Owner]

Wanted to thank everyone for there time and info,
I installed the pipe and valve, no difference. removed the converters and still had the same problem. Just for the heck of it started messing with the plug wires, i pulled the second wire on the drivers side and the car was running the same. Got new wires and the car runs fine now. Put the converters back on and drove it to work.
Car is fixed had a defective plug wire.
Now all i have to do is put some mufflers on,
Any suggestions?
I was thinking of Flow Master or Glass Packs.
Let me know what you think.

[rhandwor]

My Grandfather went to midas for new mufflers on his cadillac with dual exhaust with lifetime warranty. He went in every year for 7 years for free mufflers. They lost money on that job.
Doing my own work I always liked walker exhaust systems.

[87 Lincoln Owner]

I have a poll going for mufflers to use check it out

http://www.automotiveforums.com/vbul...d.php?t=637315