I NEED HELP FIGURE OUT THE PROBLEM WITH MY CAR AND HAVE NO IDEA WHAT IT IS OR WHAT TO DO

  • Tiny
  • davis7270
  • 1993 Oldsmobile Cutlass
  • 114,723 miles

Its a 93 olds cutlass ciera, it is missing and it like runs ruff at times and sometimes its ok but its worse when ur driving down the road and when u are stopped like at a light it sounds like its going to shut off like if the battory is weak and we took it to auto zone and they did a battory altanator test they said it was ok the battory lost 2 volts and they the ones that said that it was missing and there is no engin light on and we took it for a dianstic they run it for like 5 min if that and came up every thing ok they also tested the wires and they said they are good but it still doing that some say needs plugs but I need to know what it is forshure cuz I dont have the money to fix things on the car and its not the problem. And we did have to put a new fuel pump on and filter about a month ago. And before that we did an rator flush. Also I did notis when u are driving down the road like 40 mpg and when u need to push the breaks to stop at a light the car shakes a little never done that before it started that after we had that pump and filter put on then it was notis like with in 4 hours after I left the shop like u can feal it shake and see the hood shake.

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Monday, October 17th, 2011 AT 6:35 PM

6 Replies

  • Tiny
  • JDL
  • Expert
  • 16,289 posts

You can check mil codes, yourself. There should have at least be a code 12. How long since a tune-up? Use a gage and check fuel pressure. Clean the throttle body and idle air control.

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Monday, October 17th, 2011 AT 6:39 PM
  • Tiny
  • davis7270
  • Member

What is a mil code? And how do I check it?The tune up I dont know because we had the car about 6-7 mo and we havent had one but not shure when it has been done and where is the idle air control is located because honestley I dont know that much about cars and how to work on cars or know where to look for what I need to look for and the location I never work on cars like I know some but rare like

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Monday, October 17th, 2011 AT 7:10 PM
  • Tiny
  • JDL
  • Expert
  • 16,289 posts

What is engine litre size? The aldl/datalink connector is usually along lower edge of dash. You turn the key just till the dash lites com on, no further. Use jumper wire between A & B terminals at aldl. Then the mil stats flashing, you count the flashes to get the codes. Your looking for two digit codes. The idle air comrol is on the throttle-body. The accelerator linkage goes to the throttle body.

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Monday, October 17th, 2011 AT 7:32 PM
  • Tiny
  • davis7270
  • Member

I really dont know much about cars thats the problem

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Monday, October 17th, 2011 AT 9:04 PM
  • Tiny
  • davis7270
  • Member

THE ENGINE IS A 3.3 LITER 3300 V6 VIN ENGINE CODE N COMPRESSION RATIO 9:1 FIRING ORDER 1-6-5-4-3-2 KNOW THAT CONNECTOR IS IT LIKE A PLUG WHERE THEY HOOK UP THE HANDHELD DIANASTIC AND IF SO THERE IS A BLACK WIRE AND A BLACK, WHITE WIRE AND A ORANGE WIRE THATS IT THAT GOES BACK OF THAT PLUG KNOW THE PIC I SEE IF IT IS EXSACT LIKE THE ONE IT THE CAR UNDER THE DASH ITS NOT LETTERED BUT IF I GO WITH THE PIC IT LOOKS LIKE THE A IS THE BLACK WIRE AND THE B IS BLACK AND WHITE WIRE AND DO YOU HAVE A PIC FOR A idle air comrol, the throttle-body CUZ I THINK I KNOW WHERE THE THROTTLE IS LOCATED LIKE IF CAR IS RUNNING THERES A THROTTLE THING LOOKS A LIKE WHERE U MOVE AND IT EXCELERATES KNOW ALSO THE WIRES THAT CONNECTS TO THE A, B TERMINALS DO U NEED A TESTER OR CAN U TAKE IT OUT FROM THE PLUG AND SEE IT THAT WAY. I HAVENT DONE ANYTHING YET CUZ I WANT TO BE SHURE

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Monday, October 17th, 2011 AT 9:42 PM
  • Tiny
  • JDL
  • Expert
  • 16,289 posts

All I can tell you is what my database shows. The aldl is a diagnostic connector.

With the idle air control, look at the wire colors for the connector.

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Monday, October 17th, 2011 AT 10:59 PM

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