I have a 97 plymouth voyager with a 3.0 moter. It runs good but dies at a stop sign or red light... I just changed the egr sensor. service engine light is on.

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97 neon dies while driving - Discussion on Topix

Sounds strange that "no crank" after just changing EGR valve...go back to basics...check the battery post connections, all of your lights can still work with a dirty connection...the starter requires a lot more juice to crank...Hope this helps.

According to the manual

P0134= Right Rear (or just) Upstream O2S Stays at Center

Discription=Neither rich or lean condition detected from the oxygen sensor.

P0401 =EGR System Failure

Discription= Required change in air/fuel ratio not detected during diagnostic test.

hope this helps

cam position sensor-had same problem

This sounds like a fuel problem, I would check the IAS( Idle Air Speed) motor located on the throttle body , possibly a wire problem try wiggling them first to see if it changes the idle speed or stops the surging your referring too ! has a check engine light come on at ant time ?

Your electric fan is probibly not running.Fan switch,fan relay or the fan could be bad.If it is getting hot and you pop the hood you should hear the fan running.

can be any thing-fuel pump-fuel filter-egr valve-ignition- turn key on and observe dash for a blinking trouble light if there is count it will be like 1long 2 short =12 for a code- try a couple of quick eliminations spray with starter fluid -if starts u have a fuel problem/filter-pump,if doesnt check for spark no spark problem ignition if both present and starts but wont stay running problem possible emission/engine sensors

HI BEFORE U SPEND ANY MONEY CHECK ALL OFF THE AIR INTAKE SIDE OFF ENGINE EVEN SERVO PIPE FOR LEAKS MOST COMMON THING ON THIS TYPE OFF FAULT

I am fixing to change my EGR valve and the piece of paper that came with the part say this:

Important Notice
Before installing this part, check the EGR valve passage in the intake manifold and clear any carbon blockage. Failure to do so will result in repeat malfuntion of the EGR valve system. Refer to a technical service manual or contact a service dealer for proper cleaning procedures.

Hope this helps.

Does the car have the check engine light on? Verify the air control valve for proper operation, it only works when the ac is on.