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repairpal.com > Problems > Chrysler > Town & Country
Around 35 mph (common street speeds) the engine will sometimes surge with noticeable tach fluctuations. ... I have a surge when coasting around 40-45 mph.
Mar 17, 2012 - 19 posts - 7 authors
[Archive] Enginge surges RPMS drop while driving OEM Issues. ... I so hope somebody has a clue as to what is causing my '02 Envoy's (182k) engine to ... I'll be driving and when I get up to around 35 - 45 MPH sometimes my ...
drive, until the engine seizes?
open glove box, take out operators guide.
and what does it say on all cars made? RTM !
"get it servicee now."
CEL lamp on some are called SES
service engine soon.
the today , this means (ANYTHING can be bad, get it serviced)
my car can even send me RADIO failure codes, not just engine.
scan it.
You should go to www.reliable-store.com they have got books on every vehicle and also how to service/repair it, parts info, fuse box, gear box, torque specs,coiling, wiring diagrams, electrical diagrams, fuse diagrams, error codes, etc everything
This is a problem with one of the sensors. You can take the vehicle to Autozone and they will put it on their diagnostic computer for free. Then they will give you a code of what sensor is bad. It is probably going to be and Oxygen sensor or O2 sensor.
I would check that the mani fuse (120A) has not blown...you will find this in the engine bay fusebox......as if the negative was NOT taken off first and PUT on last, then this surge might cause this...........
Did the 'Check Engine' Light come ON? Whenever the 'CHECK ENGINE' light comes on, the ECU (Engine Control Unit) sets a Diagnostic Trouble Code (DTC). These codes identify the particular engine management system which caused the light to come on. You'll need to use/find an OBDII (On-Board Diagnostic) Scanner to retrieve any code which have been stored in the ECU computer. Afterward, we might be able to help you DIAGNOSE and perhaps eventually fix the problem.
Have you replaced the fuel filter, if it is partially blocked it will cause surging. Or the air sensor down by the air filter is a very fine wire that gives incorrect readings if dirty ( normally from running a pod filter) . You can buy a spray that you spray in the intake with the engine running to clean it. Hope this works cheers :)
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