Question about 1991 Oldsmobile Cutlass Cruiser

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Sons 91 olds cutlass wagon is not firing on all cylindrs, all fuel injectors and spark plugs and wires replaced

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Fuel, spark, air, compression, timing. Essentials for an engine to run. You've addressed injectors (fuel) and spark (plugs and wires), and I assume it's getting air as it is running. The next thing I would do is a compression check. If you have low compression on a cylinder or cylinders, you may have mechanical problems with valves or rings.

Posted on Sep 14, 2016

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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.

Aug 06, 2012 | Oldsmobile Cutlass Supreme Cars & Trucks

1 Answer

My 95 olds cutlass ciera will start up and run for about 5 minutes, then start sputtering like it aint getting no gas, slow down then die till it cools off then starts back up, putting again, losing speed...


Check spark at spark plug using a spark tester and fuel pressure at the rail when it acts up. If the pressure is ok at the rail, but the injectors aren't firing, that can point to a bad computer.If the fuel pressure is present but the spark is not being supplied to spark plug wires to spark plugs, then an ignition module might be in need of replacement (the metal plate the coil packs sit on). If the engine has a service engine soon light before it dies, maybe check the codes that should be stored in the computer using an OBD-I scanner.

Nov 06, 2011 | 1995 Oldsmobile Cutlass Ciera

2 Answers

92 civic engine stalled while driving; fuel pump works; replaced all plugs seeing some oil on old ones. only one plug fires; is coil still working? or the distributor? haven't checked fuel...


Hi,
Check the ignition distributor cap and clean the electric contact points it might be already dirty.

if one has a spark that means your ignition coil is still okay. Remove the whole cap and check the inside part and clean it, use emery board.
Check also the high tension wires( spark plug wires ).
Hope Fixya helps you!

Aug 28, 2011 | 1992 Honda Civic

2 Answers

My car keeps shaking and it like wants to stop


fuel or fire its one of them replace fuel filter change plugs wires cap rotor could be a cloged fuel injector or a vacum leak good luck

Feb 12, 2011 | 1993 Oldsmobile Cutlass Ciera

3 Answers

#1 plug is miss-firing.I have replaced plug and wire,but keeps miss-firing only on#1 plug.have been told that coolant is possibly getting in #1cylinder.also I have been told #1 coil could be bad.witch is...


Could only be a few things. The coil #1, Fuel injector #1, Stuck intake or exhaust valve, or blown head gasket allowing coolant into cylinder #1. Use a spark tester to check the spark coming out of cylindr #1 if checks good then ohm test the injector when it is warm. Check other injectors to compare. Do a compression test on cylinder #1 and test other cylinders to compare. If cylinder is low compression suspect valves and or head gasket. If compression is low then het a leak down tester to test if a valve is broke or sticking. On your sable i would suspect injector or coil most likely.

Oct 10, 2010 | 2000 Buick LeSabre

1 Answer

The engine on my sons 91 Mazda Miata is running ruff. Like on 3 cylinders. If I pull the spark plug wire on the #1 cylinder the engine runs the same. If I pull the spark plug wires on the #2,3, or 4...


You have done a great test but If I assk you to do a swap of the Ist cylinder plug and injector with one from the 3rd , we can come to a conclusion before we can change the full set of plugs and injectors for a good performance.( only if the mileage is time enough to do the change)
If you have confirmed with the spark and the fuel ( hope the fuel pressure is good and the pump calibrated , even though this is not relevant) please also check the wires to the first plug and the fuel line to the first injector.
I hope there is no issues in the pump finally for not releasing enough fuel to the first.( Check for presence of fuel pressure in this line)
I am sure you are confident enough to get to the fault .
Hope you credit me if this helps a bit. Good day

Aug 18, 2010 | 1991 Mazda MX-5

1 Answer

My 91' Oldsmobile Cutlass cruiser is not starting. The engine is turning over but not firing up. It sounds like it is out of gas but it has 3/4 tank


Either fuel or spark is missing. Pull #1 plug wire and insert a small screwdriver into the wire end and holding screwdriver handle place metal portion next to but not touching any bolt on motor. When turning engine, you should see spark jump from screwdriver to bolt. If so, you have spark. Check fuel, either on the fuel rail by pushing shader valve (Looks like fitting on tire). With key on, should emit fuel. Keep face clear. This will identify which system you need to address.

Apr 07, 2010 | 1991 Oldsmobile Cutlass Cruiser

2 Answers

I have a 91 cutlass supreme that will turn over but it will not fire...where should i start looking??? different ppl tell me diff things i keep hearing coilpacks,ignition, and some modular thing!! plzz...


Are you getting any fire to the plugs? It could be the coil, ignition module, or even a broken or slipped timing belt. How many miles does the car have? Have you had starting problems in the past, or did it just stop working suddenly?

Dec 13, 2009 | 1991 Oldsmobile Cutlass Supreme

2 Answers

Falls dead when driving, will restart after awhile


Did you try checking or replacing the coolant sensor? I think you should replace it along with the thermostat. Are there any problems like sputtering or any unusual noises or symptoms? Smoke, anything?

May 06, 2009 | 1991 Oldsmobile Cutlass Supreme

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