I have no spark at plug wires, i pulled the cap off and checked for power ot my black and yellow wir and have power and then checked blue wire and i have power icm is good coil is good i now have put a nrw dist in and still no spark along with two new main relays and have checked all fussses can you help
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Re: 94 accord v-tec cranks but wont start
Ok, I had this issue with my BMW. DROVE ME NUTS! I couldn't figure it out, and I bought new plugs, coils, etc to no avail.
Finally I replaced the TPS (throttle position sensor) and the CPS (crank/cam-shaft position sensors) and it started right up like a champ! I guess these go out quite frequently, and the dealer loves to charge a fortune to replace them, even though you can get them on ebay for around 40 bucks each.
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If it cranks, it is turning over. I think you mean it cranks, but doesn't start.
Buy a can of WD40, the 'WD' is an abbreviation of 'Water Displacement', and was recipe/formula number 40.
Pull each spark plug cap in turn and spray the spark plug neck, and inside the spark plug cap. DON'T pull them all at once in case you lose the order
Then follow the spark plug leads to the distributor, this is a joiner for all your spark plugs and the power from the coil. The cap comes off with 2 clips. Spray inside the cap and the lightly, the bottom part. Pull the leads from the top of the distributor in turn, and spray the cap and the cover to the wire. DON'T pull them all at once in case you lose the order. The centre lead goes to the ignition coil. or coils, spray those too.
Now try and start it. The WD40 treatment should protect the electrics for a few months.
If that doesn't work, you need to check the condition of the spark plugs and if the gap is correct. And if that doesn't work, it is time to call a friendly mechanic.
check wires at night pitch black out have some one crank over while you look under hook look for spark jumb might have bad wires and the ark will jump out of them if close to any kind of metel who would guess right seen it happen more then once
do you have spark or fuel you can check for fuel by pushing a small flat head screwdiver into the shrater vavle located on the fuel rail it looks like a vavle stem with a black cap
to check for spark take a park plug wire off a spark plug and put a new spark plug in it set it on the motor some were and have a friend turn the car over if it has spark it will be a bluish yellow color
There is an ECM to control the starting and running of the engine but it seldom is the problem.
First you need to isolate if it is mechanical, electrical or fuel that is causing the problem.
Remove the distributor cap and crank the engine, if the rotor turns, we can skip mechanical.
Before checking any electricals, check if there are any blown fuses both under dash and hood.
Check for power supply to distributor Black/Yellow wire with ignition switch on. If there is, pull 1 plug wire out and insert a plug to its end and ground it on the engine, NEVER groud it to the battery terminals.
Crank the engine and if you see blue sparks it is ok, reddish or yellow sparks means the coils is bad.
If no sparks, the ICM is faulty.
Test for power supply to fuel pump at initial ignition switch turned on, (2 seconds only) and while cranking. If none, the main relay is faulty. Take care
Most of the time,on that model,it is the distributor,if the timing belt has not broken,pull the distributor cap,and turn the engine over to see if the rotor button is turning,if it is not,then the timing belt has broke.if the rotor button turns,replace the distributor.
Reaching your Findings I would go to Checking the The Idea of Timing chain Problem #1 Top Dead Center on Compression stroke, remove dist cap and see where Rotor is Pointing, it should be pointing at #1 Plug wire if not Timing chain & Gear Replacement time. If all Is Well there PLEASE Confide in Me I would Love to Help Thats My Mission here Good Night and Take life EASY, Rejakwilson