Question about 2001 Dodge Grand Caravan

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The engine surges severely at 3800 rpm and there is some surging at lower rpms such as 2500 rpm.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 5 Answers

SOURCE: ROUGH IDLE / ENGINE SURGE

Check for vacum leaks on hose going from the intake to the brake booster. Also check the dodge.com website. Click on the for users button. Enter in last eight digits of vin and see if pcm (computer) needs a update, or if there is any other open recalls on the van.

Posted on Jul 21, 2008

emissionwiz
  • 75817 Answers

SOURCE: dodge ram 1500 engine rpms surge at freeway speed

those sensors could cause the issue, clean the MAF 1st, also clean the idle system using the following procedure, the IAC can cause cruise surge. I use this to cure these problems all the time.

Here is the most common cause of surges and stalls and low idle, it is the idle speed control air-bypass valve (IAC) and throttle valve, they get full of gunk over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

Posted on Jan 13, 2009

  • 12 Answers

SOURCE: rough idle / engine surges until power is applied

Sounds like a possible vaccume hose leak?

Posted on Feb 07, 2009

EnginEar
  • 57 Answers

SOURCE: idle surging

Consider replacing the rotary idle air control valve, and clean your throttle body.

Posted on Feb 28, 2009

  • 76 Answers

SOURCE: S80 engine surge at idle

Most likely the surging is due to a contaminated electronic throttle module (etm). If it is the throttle module Volvo has a 10 year 200,000 mile extended warranty that could cover the problem.

There is also the chance that there is a vacuum line loose and/or leaking. I would take it to the dealer and for a nominal fee they can diagnose the problem.

Posted on Aug 16, 2009

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2 Answers

While driving my jeep seems to be shifting gears the rpms rev up and then goes back down almost as if surging I changed speed sensor as a guess so far but did not work?


old 1995
we need vastly more symptoms then that,sorry
if the engine surges, that is first. (surges in 1 gear)
but if a transmission down shifts that is normal, rpm rises
(after all its a lower gear) (higher numeric ratio)
find any machanic in town
ask him test drive it.!
10 min.later he wilt tell you
its trans issues.
or its engine, super easy this is driving.

seems you can not, and learning is 1hour in car class..or 10x that lacking facts of drive train functions.


stop guessing. why spend cash on a useless sensor now.
spend cash on $1 shop diagnosis and WIN.
i promise !

or get it scanned.
and post all those DTC errors. P0700? and more.

Jan 24, 2016 | 1995 Jeep Grand Cherokee

1 Answer

Engine rpm surges intermitently


Miles? Have you replaced ignition coils recently? Pretty good chance that they could be going bad. I would start by swapping all 8 coils and plugs and probably changing the valve cover gasket as well as those are known to go bad in the 2000-2003 LS

Mar 11, 2014 | 2000 Lincoln LS

1 Answer

1996 acura 2.5 tl upon start up the engine goes to 2500-3000 rpms then the engine rpms start surging between 1500 to 2000 then after several minutes it goes to a normal idle and runs fine.


Hi, I had the same problem, and is now fixed. Replace your idle control valve, and the idle problem will go away, and your car will be PERFECT!

Aug 25, 2013 | 1996 Acura TL Series

1 Answer

CAR SURGES WHEN YOU ACCELERATE IN OVER DRIVE.


It may be the MAF sensor. In needs to be cleaned or replaced. Located on the throttle body, under the engine cover. Might need special anti-tamper Torx sockets to remove. 2 bolts. One wire connector.

I had to replace mine on 2002 3800 V6. Bucked and shook on moderate to hard acceleration at about 3500-4000 rpms.

Feb 03, 2010 | 2002 Chevrolet Impala

1 Answer

'94 Saab Turbo 900 -- engine surges between 2000 and 2500 rpm


i would remove the coolant sensors and clean then to obtain the correct reading.

Jul 21, 2009 | 1994 Saab 900

1 Answer

Engine surges under load at 3800 rpm


yes it could be. have fuel pump pressure tested, fuel pump pressure should be. (key on engine off) 1999 to 2000--with egr--41 to 47 psi without egr--52 to 58 psi,

May 30, 2009 | 1999 Pontiac Grand Am GT

1 Answer

Engine surges at rpm over 1500


Look for a vacuum leak (lines and intake), Is the engine light on, were any codes present? A faulty EGR or IAC could cause the problem too. Check the throttle cable for any restrictions.

May 27, 2009 | 1996 Chevrolet Cavalier

1 Answer

Engine light on ,2500 rpm surge, and no cruise control


That is normal operation. Take the car for a ride and try it then. Zoom Zoom

Jul 30, 2008 | 2004 Chrysler PT Cruiser

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