The alternator was making a knocking noise my camry would sound like a disel truck or something at first i thought something was wrong with the engine but after checking it i found it was coming from the alternator. A defective alternator can cause rough idle slow acceleration and hesitation.
Rough Idle Causes And How To Fix Them Car Ecu Car Maintenance Automotive Mechanic
Waits says the average price to replace an alternator with a remanufactured one is 400 while Gunning adds that a remanufactured alternator on a typical domestic car costs about 300 to 500 including parts and labor.
. Engine running rough after ignition coil replacement. After waiting a few hours the car would start right back up. Still idling rough.
Your battery light is on the problem may be your battery. After it would stall i would try to start it and it would just make a clicking sound. After a new battery has been installed the engine could idle low or stall out altogether.
Also when doing a quick rev on the engine it sounds like its going to die then gets up past 1k rpms and runs just fine. -Hold Idle at 2500 RPM for 2 mins AC ON - Drive at freeway speeds for 20mins with ACHeat ON. A member on this site.
Up to 8 cash back If your vehicle is losing battery voltage ie. Under normal acceleration or even WOT it runs great. Pulled the codes and got P1131 P1151 P0136 3 INC CATLYST 02 SNSR 02 HTR 4 READY MISFIRE FUEL COMP EGR MAF.
It took my car approx 5 days to correct itself. Started idling rough and the check engline light came on. When I came home I popped the hood to check for.
On the way back from visiting family my alternator went out. The problem could still be a defective alternator or improper installation. If your running the car and its in the low 13 volts return alternator and get a new one.
Things I also tried. Engine compartment was perfectly dry after the wash so I dont suspect water anywhere. If the alternator remains unrepaired for a significant period the battery will expire.
Cleared the code restarted the engine a few minutes later the check engine light. Replaced alternator then started it back up. My mechanic cant seem to figure it out.
The next day while driving the engine started shaking at a stop light. The engine is a 58l. What was happening was my car would stall while driving.
Engine off fully charged battery voltage should be 126 volts. The next time I the same thing happen a couple of times during driving. Apparently GM needs to add a better backup battery to the CPU memory board.
The shaking stopped a short time later. Each time it drops it almost shuts down. 2006 NISSAN XTERRA.
Hey all I have a 96 VS commodore running the ecotec v6 the car has done about 140000kms. It took about 60 miles to get to normal idling i also let it idle for 15-20 minutes runs very smooth now. I believed it was failing.
Turn off your ACHeat when idling to fix the stalling issue. Apart from the fact that you maybe accidentally disconnected some wires or pipes in the process of replacing the alternator there is a chance that the alternator driving belt is misaligned or routed wrongly make sure that the pulleys are 100 in line the. We wrote about something similar on the Prius being a common cause of the MIL.
After that the car ran great. I drove back home to see family 170 miles and only used a quarter tank of gas. I replaced the coil because.
I looked at the rpms and it was chilling at 500. Immediately following the replacement the car shakes and vibrates upon starting cold but seems to smooth out after about 10 minutes. The drop in rpm has a definite cycle to it.
Battery charging engine running it should be about 135-145 volts. When the starting battery is disconnected on late model Toyota and Lexus vehicles the engine control. After replacing it I started the car up and it sounded good.
You have a new alternator so if your battery is bad it wont hold the charge from the alternator. When this happens you will notice a bit of rough idling and potentially loss of power until the ECM relearns all of this information. Drove good felt like it had plenty of power shifted at lower rpms.
When an alternator is replaced the battery is disconnected and the cars control system loses its history and settings for best air fuel mixtures. Check battery by itself when car is off it should read 126 volts. When the main power source is disconnected or reconnected it has a small chance of knocking out the computer idle memory learn procedure which has to be relearned to continue normal engine idle operation.
Its been said but once you remove the battery from the car it. Any thoughts or suggestions. I recently replaced an alternator on my 2006 Rav4 4 cyl.
The cars control system stores information about the last known best fuel air mixtures for starting and running after warm up. Put a voltmeter to the battery terminals when the engine is running and rev the engine to a medium idle. Up to 25 cash back I had the alternator replaced on my 96 Land Rover Discovery.
A common concern DIY Toyota and Lexus owners call CARspec for is a rough idle starting and dying or a hard start just after replacing or disconnecting the 12 volt starting battery. That is a healthy charging system. Which after a little researching I know is too low.
Started it up and everything seemed to be working fine. A fuse could also be the cause. Normal idle is about 550.
I just changed my alternator my battery gauge hits the 18 volt and now my car wont accelerate but the car stays running. All of a sudden it has started to run really rough as if it was only running on 5 cyclinders have done a compression check and is all good also change leads and plugs have also had our snap on scan tool on it but it is coming back with no faults no engine light or warning lights are comming up. The engine and other electrical components of the car will follow and require frequent repairs and replacement.
Up to 8 cash back If by replacing the alternator the battery was also presumably dead at some point this will cause the ECM to need to relearn some of the fuel injection memory related to programming fuel curves etc. Rather maybe the alternator DOES work but the battery light can also come on if your battery wont charge. Stalling After a New Battery Installation.
Now it drops every 3 seconds to about 300 then jumps back up to 550. Idling rough after replacing alternator. So as the title says I just recently replaced my alternator.
Jerfost on December 22 2010.
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