My 2002 disco is ideling rough....stepping on the gas but not really going ....after i get it moving runs fine...untill i stop at a light and its starts all over again. getting worse it.

Asked by Jul 04, 2013 at 10:47 AM about the 2002 Land Rover Discovery

Question type: Maintenance & Repair

6 Answers

Is your CEL on? Let's start there

5,065

Hook it up to a diagnostic computer, it will give you a starting off point for your fault isolation.

yes check engine light is on. I did have a friend hook it up to a diagnostic computer...11 codes came up...most where plugs. so i starting there.

5,065

If most are spark plug related I would check deeper into the ignition system: HT leads and coils might be the next suspects after the plugs themselves.

I just had my head gaskets replaced...Im wondering if that anything to do with this sudden mis-firering???

5,065

Not impossible, a lot of things are removed and reinstalled to get the heads off, so a lot of things can get messed up along hte way.

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