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1996 Toyota Corolla Question: Will not crank after cleaning the EGR and intake manifold.

 

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[deleted], 1.8L 4 Cylinder, Carrollton, GA, January 21, 2011, 08:22
 Rookie

The car started going dead at idle. I cleaned and checked the EGR and the intake mainifold which was clogged with carbon. Now the car will not start. When it cranks over it will randomly fire but not start. I have checked for fuel vapor and spark. Wires, plugs, dist. cap, rotor button, and fuel filter are all new. I did a visual check on the timing by rotating the engine to the no.1 position in the distributor and saw that the no.1 piston was up and valves were closed. What else can I do?

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  • Answer #1

    January 21, 2011, 09:40
     Master

    I'd say, check for a good spark at all plugs and that you have fuel pressure. I don't know what you mean by 'fuel vapor', but vapor is not enough. You need a proper injector spray into the intake. What if you squirt a little gas into the intake, does it run for a moment? I don't see what your EGR work could have done unless there were enough carbon chunks knocked loose to stick to the valves and keep them open preventing good compression. Take a compression test. Should see maybe 160 PSI in all cylinders if the compressions's good (typical figure, not a Toyota spec). I don't really think it's compression but why not check it if it's a mystery?

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    [deleted], January 21, 2011, 09:56
     Rookie

    Thank you. I am going to get someone to do a comp. test. By fuel vapor I mean the little bursts that comes out when the plugs are removed and the engine cranks over. Also, the plugs are wet and smell like gas.
    I read that the distributor/coil sometimes fail and doesn't supply enough power to the plugs. Even though I can see a spark, could this be a possibility? Or more than likely a timing issue?
    Thanks again.

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