Question about Oldsmobile Delta 88

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L994 Olds Delta 88 hesitation and appears to not be getting gas.Has replaced master air flow sensor, replaced 1 plug wire gas fuel filter and coil packs (all three) and still having this problem. Vehicle was put on computer at repair shop and was told this would take car of problem.

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  • synettapettw Feb 22, 2009

    I replaced (1) spark plug wire which I was informed was bad. This was told to me by the repair shop

  • synettapettw Feb 22, 2009

    They informed me that only on wire needed to be replaced. I replaced the gas filter on my own because I thought this might be the problem. The filter was extremely dirty. The vehicle was put on the computer system and the air flow sensor came up as the problem. The informed me on the wire. Why would they not change all of them or is it possible that one could have been bad and not all of them?

  • synettapettw Feb 22, 2009

    I was just informed that the reason that one wire was replaced was because the other ones was brand new and some how the fan cutted the replaced one while being driven to the shop

  • mike loshbough
    mike loshbough May 11, 2010

    all should have been replaced

  • mike loshbough
    mike loshbough May 11, 2010

    1 plug wire?



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If u replace all plug wires witch should be done not just 1, then if you are having the same problem your fuel pump maybe to weak to push the fuel to the engine

Posted on Feb 23, 2009


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2003 Hyundai Sonata with 4 cyl. PO301 error code. Have replaced spark plugs, wires, coil packs, and mass air flow sensor. Replaced air filter due to heavy gas smell. Car was starting after tapping gas 3...

P0301 - Cylinder 1 Misfire Detected.

Possible Causes:
- Improper spark plug at cylinder #1
- Insufficient compression at cylinder #1
- Incorrect fuel pressure
- The injector circuit is open or shorted at cylinder #1
- Fuel injector #1 may be faulty
- Intake air leak at cylinder

Possible Solutions:
- Perform Injector Service
- Replaced Spark Plug #1
- Replaced Injector #1
- Replaced Ignition Coil #1

Being you have a heavy gas smell I would look into the injectors. If injector #1 is over producing it can cause a misfire. Test your compression and fuel pressure.

Jan 17, 2011 | Hyundai Sonata Cars & Trucks

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Replaced everything under the sun on our 87 olds delta 88...wont fire on its own but will fire and run fine as long as u shoot it with starter fluid. We replaced starter, fuel pump, filter, plugs, wires,...

Can you here the fuel pump running?no, check fuse,and pump relay. Check pump fuel pressure,at the fuel injector rail,or throttle body. Check for voltage at the top wiring on the fuel nozzel.While cranking look for pulsating voltage.None, test computer,scan system. let me know the outcome.

Aug 30, 2010 | 1987 Oldsmobile Delta 88

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88 olds 3.8 run fine ,went to start it , no spark

If i rememeber correctly these cars have 2 coil packs. Check the coil packs on this car..

Mar 29, 2010 | 1988 Oldsmobile Delta 88

1 Answer

Turns over but wont start

OK three essentials for a running motor......

1. Fuel - Check to ensure you have gas up to the engine. Check fuel filter, fuel pump and fuel injectors.
2. Spark - Make sure your system has electrical current to fire the plugs. Check your wires to the coil(s) the plug wires, cap & rotor and spark plugs and gaps.
3. Air - Check to make sure any air flow sensors are connected, most cars wont run with the MAF (Mass air flow) sensor disabled. Check your air filter to make sure its not dirty. if it is it can restrict air flow and cause your motor to flood its self out instead of allowing the gas to ignite, hope you found my answer helpful!

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Bucking engine

Check the fuel pressure,also change the fuel filter.check the crankshaft sensor,or replace.It sounds more like the tps sensor(throttle position sensor).It is mounted in line with the throttle axle,on the throttle horn.Of course .with out being there and checking I am just guessing.But map sensor or mass air flow sensor could also cause this.Have you checked the air filter?This will cause the problem,if it is stopped up restricting air flow to engine and mass air flow.,map sensor,and vacuums needed to run the car.If I can help,let me know.

Sep 23, 2009 | 1988 Oldsmobile Delta 88

1 Answer

Firing diagram for a 87 olds delta 88 3.8

1987 Oldsmobile Delta 88
3.8 liter V-6 VIN "3" Identifying Ignition Types I and II

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With Type I Ignition

With Type II Ignition


Apr 02, 2009 | 1987 Oldsmobile Delta 88

1 Answer

I'm having a problem with my 87 Old Delta 88 Royale misfiring and smelling of gas. My son-in-law changed the plugs and wires. They also put a new oxygen sensor on it. Does it take two sensors or one? This...

the oxygen sensor just reports back to the computer if the fuel mixture is too rich or too lean so the COMPUTER can control the fuel flow.

You are sending raw fel into your converter that is overhating trying to treat that much unburned fuel. Don't do this for long or you will ruin the converter.

I'm not familiar with your ignition system, but that is where the problem is. It may be the distributor cap that has a carbon track (looks like a crack) in it. Or, it could be a coil that's bad if you have a separate coil for each spark plug.
Try removing 1 plug wire at a time to see if the misfire is the same or worse. If the ame, that is the problem area. Don't do this with the engine running unles you hae special unsulated plug wire puller or you will get a good shock.

Mar 03, 2009 | 1987 Oldsmobile Delta 88

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