AboutRoland Finston Expertise I take questions about domestic Chrysler-product front wheel drive cars and minivans for the years 1982-2000 based upon my experience and shop manuals. I don't have detailed information (e.g. manuals) nor expertise for Jeeps, trucks, SUV's, import vehicles, or for years more recent than 2000 (except Sebring/Stratus I have '03).
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Experience I have been a do-it-yourself auto hobbyist for 5 decades, and most recently have been concentrating on the various Chrysler Corporation domestic front wheel drive cars and vans. I have shop manuals and wiring diagrams for many models for the years '83-'00, as well as rear wheel drive cars for the early 80's. I enjoy analyzing problems that other Chrysler enthusiasts are having and sharing my information.
Organizations belong to Group co-moderator of the Yahoo autos group The Chrysler LeBaron Club
Expert: Roland Finston Date: 6/28/2008 Subject: 1999 concorde stalls
Question I have a 1999 3.2 litre concorde, it has an intermittent problem of completely stalling while driving down the highway. When I try try to start it the engine is trying to start but it seems like it isn't getting fuel. I can drive it for days around town and I don't have any problem, but when I drive it on the highway at higher speeds (70-75mph) it just stalls and will not start. It has 116k on it and I bought it a week ago aware of the problem. Of course this usaully happens while driving to work, and I have come back (in as little as 3 hours) and it starts and runs fine when I come back to start it. I have had it towed to the Chrysler dealer twice and they say the fuel pump checks out and they can't find a "code" that will tell them what is causing the problem. The check engine light codes that they got were power steering pump switch and multiple random misfires. I decided to change the plugs and noticed a coil pack wire that had a wire spliced into it that ran to nothing???. I fixed this and changed the plugs, and I am going to replace the power steering pump switch. I currently don't have any other check engine light fault codes except for the the switch. My question would be do you think an open coil pack wire could have caused stalling on the highway and where else should I look? Thanks!
Answer Hi Billy,
I would keep trying for fault codes which you can either get readout for free at an Autozone parts store if there is one near you or if you use the ignition key, "on-off-on-off-on and leave on" doing that in 5 seconds or less elapsed time, then watch the odometer window on the instrument cluster to see the mileage reading to possibly change to show 4-digit fault code number. Then let me know if you find any.
My suspicion is that either the camshaft or crankshaft sensor is beginning to fail, which is exactly the symptoms that you describe. When it gets hot it breaks down, then recovers as it cools. It should show a code soon: P0340 or P320, respectively.
The coil could cause a stalling out, as could unfortunately many other things. You could bring along a digital ohmmeter and when the car acts up remove the primary wire for the coils and measure the resistance of each to ground (engine block). See if any are quite different from the rest. The resistance in in the range of 1 ohm so you need a digital ohmmeter and good clean connections to the wires and the block. There are also many other multiple misfire possibilities that I can list for you.
Let's see if either of these approaches bears fruit.
Roland
