TEMP/FUEL GAUGE REMAINS FLAT...VAN WILL NOT START...ALL OTHER ELECTICAL WORKS
1997 Dodge Caravan • 326,000 miles
My 97 Dodge Grand Caravan 3.3 362,000 miles will not start. The top guages come on when you turn on the ignition before the engine turns over...all the lights and everything electrical works...except...the fuel gauge is flat and the temp gauge is flat...neither move before the engine turns over...at all times the fuel gauge moves to tank level and if the engine is warm from previous driving the temp gauge moves up...and she cranks but when they remain flat the van tries to start for the briefest moment...but doe not crank...I have tried removed the negative lead on the battery for 15 or so seconds...reattached with nothing...I have done the manual test by pushing the trip...trip reset at the same time as I turn on the Key...NOTHING...what is my next move...thanks for your time...Marty
April 30, 2013.
April 30, 2013.
The Engine Computer lost its memory when the battery was disconnected. Fuel trim data will start to be rebuilt as soon as you start driving it again, without you noticing, but it will have to relearn "minimum throttle" before it will know when it has to be in control of idle speed. Until then it will be hard to start, and may not start unless you hold the gas pedal down 1/4", it won't give you the normal "idle flare-up" to 1500 rpm at start up, and it will tend to stall at stop signs. To meet the conditions for the relearn to take place, drive at highway speed with the engine warmed up, then coast for at least seven seconds without touching the pedals.
Please clarify "...and she cranks but when they remain flat the van tries to start for the briefest moment...but doe not crank".
Do you mean the starter stops cranking the engine? If so, and it does crank after repeated attempts, that is due to worn copper contacts in the starter solenoid. Most people just replace the entire starter, but those contacts can be replaced separately and very inexpensively. Many hardware stores and farm and home supply stores have the kits.
For the two gauges, a common cause of intermittent anything on the instrument cluster is loose connector pins. They can be soldered to the copper circuits to make a better connection.
May 1, 2013.
May 1, 2013.
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