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starting problems d16y7 dpfi


joshuagarza

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My cuz gave me a 1990 civic hatch with a d16 y7 swap and been running for over two years now and been sit in for just over a month (not driven or started). whent to go start it up n s but won't turn over. Cranks all day. Checked clutch switch good, ignition switch replaced, battery charged even tried jumping with Ford f250, has new dizzy,cap,rotor,wires,plugs, fuel pump comes on n prime, squirts when turning key over , cleaned wire end on battery/terminals, compression good on all cylinders timing good, starter good, no vacuum leeks fuel injectors good checked and squid fine replaced fuel regulator, checked fuses under hood and dash, replaced main rely with used one and turned over n ran for like five secs n died again now same stuff again. tired of going over same stuff need ideas to try. Trying to fix without having to tow n pay mechanics. N e help will b appreciated.

 

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Make sure that you have enough gas in your car and try to refill your tank when it is no less than one quarter full, or you risk getting stalled or stuck somewhere. Find out if the engine is getting gas to it. Sometimes a plugged fuel filter or a problem with the fuel injectors can prevent the engine from getting any gasoline. To check this remove the air cleaner and smell inside the throttle body or air cleaner housing. If the engine is getting enough gas you should be able to sense a strong gasoline smell due to the amount of uncombusted fuel left inside the intake manifold. Determine whether the spark plugs are firing. If there is plenty of gas but no spark, the engine will crank but not start. Unplug one of the spark plug wires and plug in a spark tester. Have someone to get in the car and crank the engine while you watch to see if the spark tester illuminates. If you can't figure out why your car won't start after following the above steps, it could be an advanced computer or engine problem. In this case, it's best to consult a professional mechanic to avoid doing damage to your engine or any of your car's components.

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it has about a 3/4 of a tank of gas, but like I said above it has been sitting for like two months. do u suppose that the gas is bad now like it lost its potency or some thing like that(gone bad or is bad and need to drain tank and fill with new gas.)what do u mean by advanced computer. u mean ecu or a relay. has spark and fuel is in intake chamber and cylinders. like when I pull plugs out they r wetish with fuel. and when I test for spark I have spark. do not think there is a vacuum leek or anything to do with air or not getting any. im leaning to bad gas right now probly drop tank and empty. fuel pump is working have fuel to injector they work tested them already. could it have something to do with a dashpot or something like that/ I don't really know what they do anyways. ill try some more ideas and get back to you all as soon as I can thanks a lot.

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hey guys and dolls just a check up on the situation. well after draining the tank we added about half a tank of high octaine fuel and crunk right up. died afer trying to roll forward in gear but then ran fine after about five or so mins . probably just getting old gas out of lines. now I have a little problem. it is ideling a little high. im going to check the throttle control valve. maybe take off and open it n clean it. will check back latter.

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Check, clean and adjust your IACV, Idle air control valve. Should be a set screw you can twist to make adjustments as necessary.

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