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B230FD Cranks but won’t startViews : 3437 Replies : 78Users Viewing This Thread : |
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Jan 27th, 2020, 05:49 | #51 | |
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I have a new module but still no start |
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Jan 27th, 2020, 05:53 | #52 | |
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Thanks for for support but I have new module aswell and it won’t start |
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Jan 27th, 2020, 08:13 | #53 |
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What colour were the plugs when it first stopped.
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Jan 27th, 2020, 10:33 | #54 | |
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Also did you remove and clean/dry the plugs before trying it?
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Jan 27th, 2020, 10:57 | #55 |
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Jan 27th, 2020, 11:45 | #56 |
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Yes but what colour were the tips
White = lean fuel mixture Brown = good fuel mixture Black = too rich fuel mixture. A good indicator as to what happened before fault. |
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Jan 27th, 2020, 16:47 | #57 |
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Jan 27th, 2020, 18:15 | #58 | |||
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So it was running good before the breakdown.
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To me that sounds like timing. Laird Scooby suggests it is overfuelling Quote:
How about you ensure NO fuel can get to the inlet and pouring small amounts into each cylinder then try to fire it up. |
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Jan 27th, 2020, 19:01 | #59 | |
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I'm also open to the idea it's not fueling at all, if it has a cold start injector, that may be causing the partial fire-up but not enough to keep it running without the injectors opening. Question is, is it actually back-firing or spitting back? Spitting back will be in the inlet manifold whereas a backfire will be in the exhaust. Spitting back suggests lean or almost no fuel, sometimes accompanied by apparent lethargy from the starter as if the timing is overadvanced. Almost impossible to pour a small amount of fuel into each cylinder as the engine leans 20 degrees to the right where the plug holes are. I would suggest this method - "Starting a flooded engine" : Depress the accelerator all the way to the floor. Turn the ignition key from position 0 to position 3 (start) without pausing. Allow the engine to crank for about 8-10 seconds. Release the key but DO NOT turn back to positoin 1 or 0, leave it at position 2. Wait 8-10 seconds then turn the key to position 3 again. When the engine fires, slowly release the accelerator pedal to allow a smooth, fast idle. I asked much earlier in the thread if you had recently filled up with petrol but i think you missed the question.
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Jan 27th, 2020, 19:20 | #60 | |
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It’s new parts I use. I have actually tried that. With cranking without fuel and crank with fuel again. It backfires sometimes. And sometimes it spits in the manifold |
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