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Help with diagnosis of misfire
Hi all. My baby is misfiring and seems to be running on half the cylinders.
Just started today after heavy rain. What usually causes this? Is it BAD to drive it while it's like this? I'm seeing a local mechanic ASAP
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1992 SVX Mica Red/Black (Ruby Pearl) (ADM)- 290,000 kms. With Koni adjustable front shocks, THRICE o/hauled 4EAT with transmission cooler and now the 'QUICK CHANGE' unit, custom PWR aluminium radiator, replacement water pump, fuel pump, crank pulley, Pioneer 6 x 9 rear and 6 inch front speakers, Sony Head unit, rattles from the front end and steering, front DBA slotted rotors. Blown heater core, ruined CV joints, new car park damage. FOR SALE... www.thebeatleboys.com |
#2
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Re: Help with diagnosis of misfire
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/T |
#3
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Re: Help with diagnosis of misfire
Unplug the injectors one at a time if there is no change after unplugging one you will know that that cylinder is not firing. Once you determine which ones are not firing. I would try replacing the coil, I don't know if you have any spares or not, but if not maybe you can borrow one or purchase one of the front ones to test with. At least that is what I would do. I have had 2 go bad within the last few years.
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1992 LSL ebony pearl 170k - Thank you Ron Mummert Reading Box of Wine Car ----------------------------------- 1992 SVX LSL 5-Speed Sold at 180K 2019 1995 SVX Lsi Polo Sold at 118K 2007 |
#4
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Re: Help with diagnosis of misfire
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Would seem to suggest a moisture related short ( assuming you drove in the rain), possibly at the area where the 3 coil connectors come off the rear ends of the valve covers. Do you have the splash shield in place? Take a hair dryer to those areas and give them a good warm blow dry ! at least to give give the easy fix a try. |
#5
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Re: Help with diagnosis of misfire
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Tags |
fuel, misfire, running rough |
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