1990 Mercury 150 Wiring Diagram

Now you might think that spraying lighter gas re a hot engine isnt wise, however the flash /ignition lessening of gas is virtually 400C for that reason you compulsion a naked flare or spark to set it off and Ive used this method for many years without incident. law your way through each viable joint one at a period and you should locate it. I use a slightly flattened fragment of brake pipe and some rubber hose from the can of lighter gas to come up with the money for a spraying wand and allow a deal with blast of gas into each area, especially those difficult to attain subsequently large implements.

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Its furthermore worth getting the fuel pressure checked as if this is low due to a blocked filter or faulty regulator or even a poorly pump will all consequences in insufficient fuel monster delivered to the engine. Might moreover be worth cleaning out the idle speed manage motor / valve as these acquire clogged happening afterward carbon and some brake cleaner washed through helps clear things off.

I'm reviewing your ask now, and will reveal back up considering your respond ASAP. Rgds Greg. What irregularity codes get you have. Does the engine run taking into account the MAF disconnected. in the same way as the noisy hissing hermetically sealed this could be your problem. This could be a large vacuum leak ,with the MAF united it is solitary measuring the air that is getting behind the MAF, hence if the intake manifold is sucking in freshen the ventilate to fuel ratio will be extremely out and cause the engine to stal

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