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I have a 1992 oldsmobile cutlass ciera. It has a misfire and a code 48. I'm hoping that If I change the plug wires and spark plugs it will help. But what else could? And what's a code 48? Thanks!

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  • Cars & Trucks Master
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Well you can start with the plugs and wires as a routine maintenance job. You may find a bad injector or something else in the end.
Code 48 means the computer denoted a cylinder miss, but not which cylinder. That ability did not come along until after 1994.

Posted on Jul 19, 2013

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SOURCE: how do you change the spark plugs on a 1993 oldsmobile cutlass supreme

Your Cutlass is either the 3.1 V6 or the 3400 Dual Overhead 24 valve V6...each motor is clearly marked on top of the engine plenum. If you have not changed the plugs yet...I recomend you do that at the same time...you can purchase inexpensive replacement wires with a limited lifetime warranty...be sure to compare. No special tools needed to switch out the plug wires...I highly recomend using plug wire boot lube grease to assure good clean water proof contact...also helps ease od service later as needed. The lube is only a couple of bucks...Be sure to ask the parts person the ignition firing order...this will help to confirm proper installation...Remove only one wire at a time...this insures you maintain the current firing order...remove and replace only ONE wire at a time...disconnect from the plug, then trace to the coil pack, and disconnect...replace with similar length wire using lube grease on both end connections...Plug wires and plugs should be replaced on your Cutlass OBD I motor by 100,000 miles...they can wear out and leak or misfire prior to that...Your motor is also sensitive to a clean Idle Air Control valve...about $35. or try to clean the old one and mounting hole with injector spray cleaner and wipe out...Also check for any vacumn leaks while changing wires...the old rubber lines and connections crack and leak with age...The Cutlass is usally a reliable long term car...Good luck with yours. Hope this helps.

Posted on Aug 06, 2012

alicantecoli
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SOURCE: how to change a starter in a 1992 oldsmobile cutlass ciera

disconnect battery,three bolts hold it to bell housing and two wires ,one is the feed the other activates the solonoid Easy job to do but dirty dirt grease and muck

Posted on Jan 24, 2009

  • 51 Answers

SOURCE: changed spark plugs and wires now car wont start

I know this might be obvious but the obvious is often the problem. Did you replace the coil wire that goes from your coil to the distributor cap? Also, double check to be sure that your wires are connected in the correct order. A little more clarification might help. Does it turn over? Does it just click? When you turn the ignition key then let off does the car clunk or make a wheezing sound?

Posted on Jan 30, 2009

  • 14036 Answers

SOURCE: Changing spark plugs on a 1995 Oldsmobile Cutlass Ciera

ALL YOU NEED IS 3/8 RATCHET WITH A 5/8 SPARK PLUG SOCKET.YOU NEED EXTENSIONS AND UNIVERSAL JOINTS TO GET TO HARD TO REACH PLACES.YOU NEED A SPARK PLUG GAUGE.YOUR SPARK PLUG GAP SETTING WILL BE. 0.060 THAT WILL BE FOR THE 2.2 AND 3.1 ENGINES.

Posted on Aug 17, 2009

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  • 68 Answers

SOURCE: po300 multiple misfires.I have changed the coil

reset the ec module by disconnecting the battery for a few minutes. If that does not work have autozone do a free scan and ask them to reset the codes.

Posted on Oct 13, 2009

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1 Answer

What is the spark plug gap for the above car which is 4 cylinder. thanks


1988 Oldsmobile Cutlass Ciera, original GM plug gap .045".
this is what i would gap new plugs too, AC Delco Part # R44LTS plugs probably gaped at this already.
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Hi there:
  • Check the spark plug wires and the coil wire, ensure that the spark plug wires are securely attached to the spark plugs and the distributor cap.

  • Check the wire routing in order to ensure that cross-firing is not occurring. If the misfire occurs when the weather is damp, the problem could be due to worn plug wires.


Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

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Po300 multiple misfires.I have changed the coil packs,spark plugs,spark plug wires etc and I am still getting the po300 and its really nerve wrecking.I need help with this 1996 Oldsmobile Cutlass Ciera...


reset the ec module by disconnecting the battery for a few minutes. If that does not work have autozone do a free scan and ask them to reset the codes.

Oct 13, 2009 | 1996 Oldsmobile Cutlass Ciera

1 Answer

Changing spark plugs on a 1995 Oldsmobile Cutlass Ciera


ALL YOU NEED IS 3/8 RATCHET WITH A 5/8 SPARK PLUG SOCKET.YOU NEED EXTENSIONS AND UNIVERSAL JOINTS TO GET TO HARD TO REACH PLACES.YOU NEED A SPARK PLUG GAUGE.YOUR SPARK PLUG GAP SETTING WILL BE. 0.060 THAT WILL BE FOR THE 2.2 AND 3.1 ENGINES.

Aug 17, 2009 | 1995 Oldsmobile Cutlass Ciera

1 Answer

92 olds ciera won't start


Johnny, It's probably the coil pack. If you follow the spark plug wires backwards from the plugs it will lead you to the part(s). There may be more than one. Check with the local autoparts place to see if they can test it for you. If not I would try a Junk yard first, incase that isn't the problem.

Apr 01, 2009 | 1992 Oldsmobile Cutlass Ciera

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1992 olds ciera just shout off


Sounds like a ignition control module failure. Check for spark at a spark plug wire. No spark then suspect module failure. Good spark-- Suspect possible fuel delivery problem. If spark is good then fuel pump may have failed.

Mar 31, 2009 | 1992 Oldsmobile Cutlass Ciera

3 Answers

Changed spark plugs and wires now car wont start


Make sure wires are in correct order for firing. Also make sure they snap down when placed on.

To view free online repair manual go to this link:

http://www.autozone.com/N,313267/initialAction,repairGuide/shopping/vehicleSelect4.htm

Jan 30, 2009 | 1992 Oldsmobile Cutlass Ciera

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