Rough Idle 1 in 10 cranks. Usually wh... Log Out | Topics | Search
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DiscoWeb Bulletin Board » Discovery - Technical Discussions » Archive through March 28, 2004 » Rough Idle 1 in 10 cranks. Usually when @ op. temp. « Previous Next »

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Josh (Jslow)
New Member
Username: Jslow

Post Number: 7
Registered: 02-2004
Posted on Thursday, March 25, 2004 - 04:09 pm:   Edit Post Delete Post Print Post

Ive searched the archives and havent found this specific problem discussed. About 1 in 10 times i crank my 96 disco(usually when warm), it idles very rough, but hasnt quite stalled yet. after i pump the gas a little it gets better, and eventually runs fine. all ive done lately is replace plugs/ air filter injector cleaner. still does it. any ideas?
 

Joey (Joey4420)
Senior Member
Username: Joey4420

Post Number: 680
Registered: 04-2003
Posted on Thursday, March 25, 2004 - 04:14 pm:   Edit Post Delete Post Print Post

Fuel Filter clogged, Fuel Pump on its way out to lunch.

Or more than likely the fuel temp sensor.

Engine fuel temperature sensor
The engine fuel temperature sensor is located in the rail on the RH side of the ram housing. The sensor sends fuel temperature data to the ECM, the ECM on receiving the data will adjust the injector open time accordingly to produce good hot starting in high ambient temperatures.

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