Question about 1989 Oldsmobile Cutlass Ciera

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1989 Olds Cutlass Ciera gauges are wrong.. Tach shows 7000 RPM even when the engine is off. Oil pressure gauge is egged at the upper limit. While the car runs, it fails local emission tesgts. What might be the caquse of the gauge errors? Is there a way to reset the gauges to read correctly?

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Replace the cluster which is the whole unit that houses all the gauges on the dash. you can get a used one from a salvage yard cheaper then a new one.

Posted on Jan 01, 2009

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1994 Olds Cutlass Ciera starter issues


You should have two or three wires that go to the large post on the solenoid, including the 4 gauge wire from the battery. Then one 16 gauge wire to the small post. That wire comes from the key switch.
Let me know if you need colors for wires.

Mar 01, 2013 | 1994 Oldsmobile Cutlass Ciera

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I have an 89 Olds cutlass Ciera, I can hear the fuel pump when I turn on the key, I have replaced the fuel pressure regulator and the car will start, Idle and drive as long as I do not get it up to...


Try to get a fuel pressure reading is 9-13 PSI on a 2.5 L,
40-44 PSI key on engine off, 32-36 PSI key on engine running on a 3.3 L,
40-47 PSI key on engine off, 30-44 PSI key on engine running on 2.8 L

Jul 22, 2011 | 1989 Oldsmobile Cutlass Ciera

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1991 Olds Cutlass with a 3.1 engine will not start


Most likely it's a fuel pump relay. It's on the panel under the hood.

Apr 17, 2010 | 1991 Oldsmobile Cutlass Ciera

1 Answer

1994 olds cutlass supreme volt gauge shows low have


Could be .. did you do any voltage checks? I suggest you check altenator output as well as battery voltages under various circumstances.

Mar 24, 2010 | 1994 Oldsmobile Cutlass Ciera

1 Answer

1991 olds Cutlass Ciera. 3.3l, failed the NO emission test. Results: HC ppm 12 .......limit 62 CO % 0.09 ..... limit 0.35 NO ppm 948 ..... limit 700 Before testing changed plugs, wires,PCV,oil. Also had...


Since your cat was replaced you should be looking at fuel problems...even gas cap seal....check fuel pressure,fuel regulator,and evap system.>canister or purge solinoid,o2 senser...high nox is caused by the cat or fuel problems on these engines...high pressure in the combustion chamber...lean condition>air leak on hoses,or high compression caused by carbon build up ...there is no EGR on this car so don't waste time looking for it...hope this points you to your problem

Mar 14, 2010 | 1991 Oldsmobile Cutlass Ciera

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I have an 1983 olds cutlass and the guage cluster is not working properly the oil temp and gas is not readind but the tach speedometer and battery is what could be the problem


Worn out gauges would be the first guess. The next would be the oil pressure sensor....

The gas gauge could have problems from a bad float in the gas tank or the wires to the sending unit are badly deteriorated.

Dec 01, 2009 | 1983 Oldsmobile Cutlass Supreme

1 Answer

Guages on 87 olds cutlass are not working properly. fuel does not work, temperature works but goes strainght to hot as soon as the car warms up, amp gueage discharging oil pressure not working


Hi, you will have to replace all sending units for these gauges in order to restore them to there original state. i will list the sending units and there respective locations below.

1. Fuel gauge sending unit- you will need to replace the fuel sending unit on your Olds. its located inside the actual fuel tank. there's a floater attached to this Assembly and , its broken. you will have to replace the entire assembly. you will also have to drop the fuel tank to access it as well.

2. Temp guage-- normally when this guage starts to malfunction, its because of a bad coolant temperature sensor. Inspect the sensor's wires and connections. ECT (engine coolant temperature) sensor problems are often caused by faulty wiring or loose or corroded connections rather than the failure of the sensor itself. If the wires or connections are bad, replace them. If you think the sensor is defective, it should be tested.

This sensor is located Under hood, center, upper engine area, front of carburetor, passenger side of water outlet, mounted in intake manifold.

3. Amp gauge --- OK, this can be caused by a bad voltage regulator. i would also trace every single wire from the amp gauge to the sensor and regulator. check for corroded connectors and contact clips. replace any wire that may seem worn.

4. Oil pressure gauge-- This gauge will malfunction if the Oil pressure switch is faulty or not working. This is an Information relay unit for the indicator light or gauge on instrument panel. It contains a diaphragm that responds to changes in oil pressure. When the oil level is over a pre-set limit, the diaphragm opens the switch, turning off the light. When level is below the pre-set limit, the dash light comes on. In later model cars, if the oil pressure drops, the switch turns off the fuel pump, to stop the engine and limit damage to internal parts. Oil pressure switches can be grouped into two categories, units for electrical gauges and for mechanical gauges. If this switch is defective, it will have to be replaced. Once replaced, it will fix the dead oil gauge.

This device is located Under the hood, passenger side, front engine area, mounted rear of water pump. If the wires are worn or there is an oil leak near the switch location, replace it.

Inspecting all the above areas and replacing parts if needed, will fix your gauge issues.

Please rate and god bless:)

May 04, 2009 | Pontiac Firebird Cars & Trucks

1 Answer

1989 jeep cherokee


You need to verify the real oil pressure with a good oil pressure gauge. These are pretty simple gizmoes with a gauge and a hose. Get a hold of one and it screws in where the pressure sender is connected. Most engines need around 45 psi at idle. If it's not OK look for diluted oil, wrong viscosity oil or worse yet worn engine bearing or oil pump.

Mar 24, 2009 | 1989 Jeep Cherokee

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