Question about Dodge Cars & Trucks
Got fuel pump replaced and some "Computer/Wiring" component replaced. When I got truck back, I noticed it sputters/hesitates when accelerating (both from dead stop and while driving). This was not an issue before the "fix" of the fuel pump.
What was the purpose of replacing the pump ? And what year is the Dodge ? And did they also replace the fuel filter ?
Posted on Jul 26, 2013
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Posted on Jan 02, 2017
You should definitely replace the fuel filter though this probably won't fix your hesitation. It wouldn't hurt to replace the spark plugs this is usually the culprit on these engine. I have the same engine in a '99 caravan and found the for some reason the spark plugs on cylinder 3 and 4 loosen up after one year and cause a misfire between 45 and 50 mph under load (when mildly accelerating).
Posted on Jan 07, 2009
SOURCE: Hesitation problem
try cleaning the inside of the MAF sensor and do the following procedure as well.
Here is the most common cause of surges and stalls at stops and low erratic idle speed and rough idle, it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue 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 Mar 24, 2009
Ok, there are many issues here that you will need to inspect. I recommend changing the fuel filter and pump as well. this will fix the hesitation. the intake and exhaust manifold gaskets will need to be replaced as well. this will stop the backfiring.
I also recommend checking and running a teat on the PCV valve and inspect the PCV hose as well. it could have a leak or a small crack on it.
Check the air filter and change if needed. this will help with acceleration issues as well. Next, i would run a check on all plugs and the complete wire set as well. change if needed.
Inspect the injectors for leaks and lose wires. make sure they are in good condition. replace any injectors that isn't firing properly.
Ok, there are some sensors that you will need to check as well. i will list them below.
SENSOR CHECK LIST--
1. Check the O2 sensors for worn wires.
2. Check the MAFS(Mas Air Flow Sensors) Check for Damaged, Loose, or Faulty Mass Air Flow Sensor or Circuit.
3. Check the Air Cleaner Temperature Sensor. this sensor could be damaged ro have loose wires. check accordingly.
4. Check the Throttle Position Sensor. this device could be connected wrong or it may be faulty as well. replace if needed.
Be sure and inspect all the above and repair any problem spot you ruin across during your inspection.
Please rate and god bless:)
Posted on May 06, 2009
The upper intake gaskets may be leaking. They are made of plastic and metal and will leak air. Do not remove the cover on very top of manifold when changing.
Posted on Jul 24, 2009
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