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88 volvo 244 Boo-Boo with Compression Test? 200 1988

Hi all, I think I might have made a boo-boo with my 88 Volvo. After the radiator burst last week and put in a replacement, I went to Harbor Freight and bought a compression tester. I performed the test cold (I should've done it hot--idiot move, I know.) But anyway,the results were 90, 85, 90, 125 psi. Now the car won't start. The directions were very vague, and one thing that I think I should've done was take out the fuel pump fuses. Instead of this, I disconnected all of the fuel injectors. (Dummy move, I know)and I took out one spark plug at a time and attached the gauge in its place.

It did start once for about 5 minutes, then it conked out. When I tried to start it again, the needle on the speedometer jumped up to 30, then to 60 mph, as I never noticed that before. My 90 did that and I replaced the rpm sensor, but I'm not sure if that would cause it not to start or not.

I've read that I might have burnt out a coil from an Acura forum, but I'm not sure.


My question is, based on my ignorance: Does anyone know why it won't start?

And on top of that, my neighbor in my apartment complex likes to have cars towed that won't move for a few days!

Help Please!

Andy








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    88 volvo 244 Boo-Boo with Compression Test? 200 1988

    >I took out one spark plug at a time and attached the gauge in its place.

    Don't rely on that compression test. Once you solve the no start problem and find the time to redo the compression test you should remove all of the plugs and test one cylinder at a time. Ground the coil wire and hold the throttle wide open when cranking the engine over during the test.

    Do your best to get the same number of revolutions on the engine for each cylinder when testing. I usually go with five compressions (revolutions). With all the plugs removed you will be able to hear each compression distinctly so it is pretty easy to count the compressions.

    Good luck,
    Randy








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      88 volvo 244 Boo-Boo with Compression Test? 200 1988

      Finally bought some denatured alcohol. I'm letting it sit after wiping the terminals on the ignition control unit and the distributor cap/ hall effect sensor. Hopefully tomorrow when I crank it, it will turn over!








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        88 volvo 244 Boo-Boo with Compression Test? 200 1988

        Sadly, it didn't turn over. Perhaps when it does, it will run even better than before--plus is hasn't gotten towed yet... Thanks guys for the tricks! Living in an apartment sucks for having to work on older cars.

        I checked the fuses, all are good. I have checked for melted wires, none found yet. When my roommate is up to it, I'll have him turn the car over so I can see if the distributor is giving me a spark. Thank you all for the advice. I feel like I'm getting closer!

        Andy








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    88 volvo 244 Boo-Boo with Compression Test? 200 1988

    Does the 88 have a crank position sensor, behind motor going down toward the top of transmission? Wire look sketchy, then replace. Really need to know if you have spark. Also I don't think a stranger can have a legally parked car towed. You live a HOA with all the shitty rules?








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    88 volvo 244 Boo-Boo with Compression Test? 200 1988

    Hi,

    I need to ask a question and add a thought to your situation.

    After your radiator busted did you ever take the distributor cap off and clean the insides out? Both the cap and the lower body.
    When the radiator busted you released steam vapors with antifreeze into the air.
    The oily composition that was sprayed around everywhere and will seep into any tiny spot there is and stay there longer than just plain water will.

    If this stuff got into the distributor or its connectors you will have to use a light solvent (denatured alcohol), to get it out. Especially from under the reluctor components inside. You need to rinse and blow everything out of there.
    Otherwise, the moisture will keep coming back evertime the distributor gets hot.

    I agree with others that you need to check for spark. First check the coil for full capacity use only the coil wire to the distributor and prop it going to a strut stud bolt. Place it about 3/16 to 1/4 inch away and anchor the wire with a weight so you can see it from the front seat.

    As far as that pesky neighbor you can fool him easily.
    Just roll the car back and forth and turn the wheels enough to make the car be parked one way and then the other in the stall slightly twisted. Rotate it with pulling it in straight every once and awhile. Leave it a little farther in or out will help too.
    If he still wants to bother you or others after that, ask him or her to put you in their will or trust as a sibling or something.
    In the interim of getting that done, ask for a stipend too!
    :)

    Phil








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    88 volvo 244 Boo-Boo with Compression Test? 200 1988

    once you get it running by retracing what you actually did and rechecking those steps you might want to think about selling it and getting a 240 with a better engine. if accurate those compression readings are real S--T and indicative of an end of useful life engine.








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      88 volvo 244 Boo-Boo with Compression Test? 200 1988

      I retraced my steps and double checked the wires to the fuel rail injector harnesses as well as to the distributor and plug wires. When taking the spark plugs out, I did bend back that large a/c hose that goes into the firewall, since it was literally laying on the valve cover. I don't think that would've caused a no start though.








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        88 volvo 244 Boo-Boo with Compression Test? 200 1988

        you need now to pull a plug wire and have someone crank the engine while you hold the end of the wire close to something protruding steel and watch for a strong spark to jump. if you have strong blue spark you likely have a fuel issue if no spark its electrical. with more data we can proceed.








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          88 volvo 244 Boo-Boo with Compression Test? 200 1988

          I bought an ignition coil because when I checked the primary resistance and it was 'open'. The secondary was only about 4.0. I also cleaned the under the distributor cap, while I didn't see any greasy residue from the coolant spraying, the rotor will need to be replaced. For now though, I just hit it with some fine sandpaper.

          Also, I went in and cleaned up the grounds, but still no luck. I tried to pull of the knock sensor wire to clean, but it split in half.


          Would a failing knock sensor cause a no start?








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    88 volvo 244 Boo-Boo with Compression Test? 200 1988

    Odds are best that something electrical that used to pass electrons is no longer effectively passing electrons -- start looking at the parts of the harness you moved around to do the work you did. Oh - next cranking compression test - in addition to warm, did you hold the throttle wide open?








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      88 volvo 244 Boo-Boo with Compression Test? 200 1988

      Hi Michael, that was another thing I didn't do-- block the throttle wide open. Leaving it closed, what effect would it have on the engine?







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