Daewoo fouling spark plugs - Engine Troubleshooting


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Daewoo fouling spark plugs

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saxon21
New User

May 22, 2019, 6:18 PM

Post #1 of 5 (1079 views)

Daewoo fouling spark plugs	Sign In

I inherited a 2001 Daewoo Nubira SE that my dad bought new in 2001, Its has 75,000 miles on it. Have done some maintenance work on it (belts, hoses, tires, timing belt) It was running fine, drove it on a 260 mile trip with no problems and also drive it across town to work a few days a week.
One morning however it would not start, I checked the spark plugs that were less than a year old and they were very dark, I replace them with a new set and the car cranked right up. drove it for 2-4 weeks and it happened again, would not start, changed plugs again and the car ran for another 2-4 weeks untill the plugs fouled again I think with fuel.Have taken the car to 2 different mechanics but they are unable to run proper diagnostics on it and would not work on it. Any ideas? thanks.

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 22, 2019, 7:47 PM

Post #2 of 5 (1068 views)

Re: Daewoo fouling spark plugs	Sign In

Your first step is to scan the computer for any stored codes.Post the numbers here.

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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

saxon21
New User

May 22, 2019, 8:51 PM

Post #3 of 5 (1059 views)

Re: Daewoo fouling spark plugs	Sign In

Thanks Hammer, I have never done what you have suggested I do (scan the computer) is there a link that can help walk me threw the process?

Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

May 23, 2019, 3:50 AM

Post #4 of 5 (1039 views)

Re: Daewoo fouling spark plugs	Sign In

You need a code reader to plug into the diagnostic connector. Parts stores like Autozone will usually read them for free.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.

saxon21
New User

May 23, 2019, 2:41 PM

Post #5 of 5 (1022 views)

Re: Daewoo fouling spark plugs	Sign In

Ok thanks, I'll get back.

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