I have a 2001 Ram 1500 5.9l 4x4 that will sputter and make popping sounds at low RPMs. This doesn't happen all the time and does not occur on acceleration or at idle. Any ideas?
In response to suggestion #5. On the 2001 dodge 1500, there is a fuel filter/pump combo in the tank. You can not replace one without the other. I am having the same issues with my 01 1500 5.2 currently. Plugs and wires is where I'm starting, but there is a laundry list of "could be's. My issue started 2 weeks ago, and only occurs in extreme heat. GOOD LUCK
Hello i am a independent shop owner and i recently had a 01' dodge 1500 5.2L engine and it seemed to have the same symptoms as your car, i checked fuel pressure and it seemed to be around 49 which is still considered normal and also i did check the distributor cap and each spark point had corroded parts on the tips but before i replaced any parts i disconnected the bank 1 sensor 1 oxygen sensor and noticed that the car never sputtered again.. so in my case i recommended to my customer to first replace the o2 sensor! Hope this helps cheers!
SOURCE: sputtering at midrange rpm somtimes
Perhaps I'm too late and too long winded! But to answer your question about the fuel pump, yes the pump failure mode could be gradual. But as for your "sputtering" engine the root cause could be related to the fuel or ignition system. For clarification I have a few questions. (1) Realizing this may be an intermitent problem, can you make the engine sputter if you rev the engine with tranmission in park? If yes, this reduces the probability of the sputter being ignition related. (2) When you do rev the engine do you get full rpm's (> 2000rpm) or does it seem choked/limited? If no, your suspisions maybe correct and your engine could have a fuel system problem. (3) Or possibly the sputter only occurs/worsens when the engine is loaded? You can sufficiently load the engine by applying the park, service brake pedal, shifting the transmission into drive, and then slowly applying moderate accelerator pedal. It shouldn't take more than 25 to 50% of accelerator application to safely load the engine.
Two possible solutions: If the engine sputters with the transmission in park or you just don't trust the fuel pump you might want to check the fuel filter first before condeming the pump. The alcohol content in fuel could have cleared enough debris to plug your 3 month old fuel filter. You should be able to blow through the filter without much effort. When the fuel filter is clogged it will fatigue the pump and can lead to failure. It could also be poor fuel quality though. (2) If the engine sputters loaded check the ignition coils and module. One way to check a coil is to disconnect a plug wire set before trying to duplicate the problem. If the engine sputters worsens with a wire set disconnected that coil is okay. You will find the culprit when the sputter doesn't change with a plug wire set dis connected.
SOURCE: Chevy S10 Pick 1995 - Sputters and almost stalls when accelerating.
You could have a dirty EGR valve, you can re move it from the manifold and clean it with Throttle body cleaner. Might as well buy two cans, since your cleaning the EGR, might as well clean out the throttle body too.
Spray the throttle body cleaner in to the throttle body with the engine running and try to keep it at 1000 rpm and then to 1500 rpm as you clean out the throttle body and let it idle down for 2 min then turn the engine off. Then turn the engine to the run position for 10 seconds and start and let idle, ro for a test drive and hope that solved the problem, if not there a few more things we can do which will consist for tune up.
Note: Clean the EGR first so you don't burn your self since the engine would still be cool before you clean the Throttle body.
Good luck and keep me posted.
SOURCE: 2000 Ford Focus Sputtering / Speedometer Needle Jumping
It could be a spark plug, plug wire, or a coil. Sometimes thay break down intermittently. If it needs a tuneup, that would be the first thing to do.
SOURCE: 5.3 chevy hesitates when cold runs fine after warming up
what is the fuel pressure reading, sounds like low fuel pressure, you should have 60 PSI at idle and more when you throttle the engine up about 65 PSI, it should NEVER go down.
Testimonial: "I will have to have someone check my fuel pressure. I don't have the equipment to do that."
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