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Chrysler Repair/engine hesitation when starting

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Expert: - 12/21/2011


Question
I have a 1999 lhs. What would cause the engine when starting the vehicle hesitate like it is starving for fuel occasionally not allthe time.

Answer
Hi John,
See if you can get a fault code readout using 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 of the cluster to see if the mileage reading is replaced by 4-digit number preceded by a P. Let me know of any.
Aside from that approach, a common problem as you describe, or a similar stalling out when slowing to a stop, is usually caused by an egr valve that is not closing tightly at shut down or when you take your foot off the gas. It leans out the mixture too much to sustain an idle. The valve would need to be removed and cleaned out and checked for free movement of the valve stem and lubrication thereof. But first see if you can get any codes, If nothing appears in the window then go to a nationwide autoparts store such as Autozone where they often will do a free readout using a plug-in code reader that attaches to a socket under the dash by the steering column.
Roland
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Roland Finston

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I specialize in Chrysler/Dodge/Plymouth cars, minivans, and SUV's for the model years 1982-2008 based upon my 50-year DIY experience, factory shop manuals and wiring diagrams. I offer fast repair advice to help you minimize repair costs by helping you diagnose and do it yourself. Problems with electronically controlled engines and transmissions as well as body wiring problems are my specialty.

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Five decades as a 'do-it-yourselfer' on domestic and imported cars

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Yahoo Autos Group called The Chrysler Lebaron Club (co-moderator)

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Degrees in Physics/bruised knuckles.

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"Top expert of 2010" and "2011" at Allexperts. Among top 50 experts for years 2006-2009 at Allexperts.

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