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89 Dodge Aries 2.2L
05-22-2016, 04:08 PM
Post: #1
89 Dodge Aries 2.2L
I just bought a 1989 Dodge Aries 2.2Liter engine. At full throttle the motor only excells to half throttle and also surges heavily. has no power on hills and blows out black smoke. I was told maybe fuel filter could be plugged or cat converter is plugged. Can anyone help me diagnose this problem. I am the 2nd owner of this car it has 87,000 original miles.
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05-22-2016, 09:48 PM
Post: #2
RE: 89 Dodge Aries 2.2L
I'm guessing that the "Check Engine" or "Service Engine Soon" light is probably on. Using a scanner to read the trouble codes could save time and money. I would suggest having a complete scan done, record all of the code NUMBERS, post those numbers here for review, and have the computer cleared.

I would probably change the fuel filter too since it is something that doesn't cost a lot, should be part of a maintenance schedule, and is usually neglected. If you know nothing about the service record of the vehicle you may just want to go over everything to make sure it's in good shape. Check the air filter, brake fluid, P.S. fluid, Transmission oil, Motor oil, Coolant, look at the belts and hoses... Ya know, give it the Once Over so something small doesn't end up costing you a fortune.

Get back to us with those code numbers if you can.

Thanks for using the forum,
Garner

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05-22-2016, 10:10 PM
Post: #3
RE: 89 Dodge Aries 2.2L
I appreciate your prompt response to my problem. I do not have a ck engine or service engine light on. That was what I checked for at the very beginning. There isn't any obvious warnings except that it does not want to accelerate above half throttle and then it has a very pronounced surge to the engine and black soot from the exhaust. Any other ideas would be greatly appreciated.
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05-23-2016, 12:13 AM
Post: #4
RE: 89 Dodge Aries 2.2L
As Garner suggested (and because the car is 17 years old) have someone go over the basics first. It's obvious the car has not been driven much given the mileage and you'd be amazed at what you may see just spending an hour under the hood with general maintenance. You might find the lack of driving has made a nice home for mice who have stored a pound of bird or dog food in the air filter housing. This is the kind of stuff they don't teach in schools or publish in the repair manuals, but is common.

BTW, being a pre 1996 model year a scan of the computer may not show much right away. The OBD-1 systems of that era were rather primitive that way.
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05-23-2016, 01:14 PM
Post: #5
RE: 89 Dodge Aries 2.2L
I have ckd the obvious air filter passages(new filter), spark plugs& wires,coil, close look at all wiring, added lucas injector cleaner, stable to gas,just about everything I can think of short of the fuel filter and catalitic converter. I do thank all that has responded to my thread. I am at my wits end.
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05-23-2016, 06:53 PM
Post: #6
RE: 89 Dodge Aries 2.2L
More that likely we'll have to resort to "old school" diagnosis due to the age of the vehicle, but first change that fuel filter so we know the flow will be at it's best.

Knowing it's blowing black smoke means it's running rich, which may point to a coolant temp sensor. If you can't find someone locally who has a scanner to read older vehicles I can try to dig up some specs you can read with a standard ohm meter. I can also run you through the basics of how to check for exhaust backpressure, but it will need to wait till I get home this evening.
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05-23-2016, 09:24 PM
Post: #7
RE: 89 Dodge Aries 2.2L
A few more things come to mind now that I am away from my shop. Given the age of the vehicle it's quite common for the various vacuum lines to go bad. They either crack and leak or get soft and collapse. Either way the proper vac doesn't reach where it's supposed to go and will play hell with the fuel mixture, usually sending it rich. The rubber hoses are VERY cheap so worth replacing just to eliminate one more possibility before heading into the hard stuff.

As for checking the exhaust backpressure (bad cat?) the best way is to rig up a gauge. You can get various cheap gauges at a hardware store or similar supply house. I used a 30 pound one that I purchased for less than $10, added a flex hose from a grease gun for maybe $5 then adapted some fittings to a broken spark plug, which is the thread you need (14 mm) to screw into the O2 sensor hole in the exhaust pipe. One can do a "cobble job" from the various pipe threads to the spark plug with solder, braze, weld, or in a pinch use JB Weld and allow to dry overnight. (JB Weld will withstand up to 550 degrees) Anyway, this test is to see if the exhaust pressure is too high. Anything over 3-5 PSI is suspect and the typical "clogged cat" will show 20 - 30 PSI on quick throttle jabs. I also have a 90 degree elbow in my fitting selection for cars without much room.

BTW, this cheap tool has been on my bottom drawer for years. I don't use it much but it's certainly been my best "go to" whenever I think something is up with a possible bad cat.
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05-24-2016, 05:53 PM
Post: #8
RE: 89 Dodge Aries 2.2L
=I appreciate all the suggestions from you. At least now I have a direction to work on. Again thanx and Have an excellent day.
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05-28-2016, 02:20 PM
Post: #9
RE: 89 Dodge Aries 2.2L
Can any one tell me where the OBD port is located on 89 Aries?
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05-28-2016, 04:40 PM
Post: #10
RE: 89 Dodge Aries 2.2L
It's under the dash near the steering column. Not easy to see like the newer cars.
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