Problem with engine rattling and shut off
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Problem with engine rattling and shut off - 3/4/2008 9:20:20 AM
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spinbad
Posts: 19
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Joined: 12/20/2006
Status: offline
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Hi, I have a 1993 E250 4.9 straight 6 engine and have been experiencing the rattling when i step on the gas. Once in a while the van will shut off completely especially when switch to reverse gear. Last week i was waiting for the light to turn green on an up hill intersection and the van was rattling like if someone was kept on rear ending the van. It was bad but managed to switch to neutral and back to drive. the van has not done what it did up on that hill but would like to fix it. I do remember the smog guy telling me on 2007 that the EGR Valve need more vaccum in order to pass smog. He gave the EGR Valve more vaccum and passed smog but have not replaced the valve yet. I was asking about the valve because i want to be sure that it is the valve and not any of the EGR components that work with the valve. Thanks everyone.
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RE: Problem with engine rattling and shut off - 3/4/2008 1:42:53 PM
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jdl
Posts: 13
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Joined: 12/14/2007
Status: offline
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See if there are any troublecodes? I saw a couple of old service bulletins on this vehicle for rough idle--stall- hesitation. One bulletin was for a thermostat stuck in the open position. Does it reach operating temp quickly, does the heater work ok?
The other bulletin was for a leaking throttle-body gasket.
There could be alot of things that might cause that problem. Has it had a tuneup lately?
I just wanted to add, I realize you were asking about the EGR, but, you can't overlook some of the other possible causes.
< Message edited by jdl -- 3/4/2008 1:47:42 PM >
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