Strange engine stuttering problem around 1500 to 1800 rpms.
98 Accord / 85,000 miles / automatic / 4 cyl.
When driving slowly (35 mph or so) and I am barely on the accelerator trying to maintain the slow speed, the car will sometimes stutter, almost like it can't decide which gear to stay in.
I really can't tell if its the engine or the transmission that causes it.
- Happens when on a level road (not uphill or downhill)
- When the engine is warm
- Sometimes is worse than others, but don't see a consistency
Our 97 CRV does the same thing. ( 175,000 miles / automatic )
Re: Strange engine stuttering problem around 1500 to 1800...
YOU CAN TEST IT WITH A OHM"s meter or a multi meter one is your ground wire the other two send the signal to your computer.what you are looking for is when you rotate the throttle do it as slow as possible and as steady.If the reading jumps alot when you slowly rotate the throttle then it is a bad tps.let me know what the outcome is.Thank you for using fixya
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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 ...
there is not info to be able to give a definite answer
to work it out
you have top know the diff ratio, wheel tyre circumference to be able to work from rpms of the engine to road speed
However as a pointer, most cars will be around 3200 rpms at 60mph as this will be direct drive and od causes a drop in rpms
Being an automatic find yourself a good section of low traffic road and start from stop slowly increase the rpms and watch the rpms. keeping the accelerator steady you will see when the auto changes by a drop in rpms. slowly increase road sped until you see the next drop in rpms and so on. Over drive normally comes in around 55 mph or around 3000rpms
I would think that it is working because 3500rpms at 75mph is reasonable rpms to be expected. If it wasn't working I would expect the rpms to be around 3800 to 4000.at 75mph
get in and have someone put it in gear .give it alittle gas at a time till it starts to cut out and hold it there while you take a test light and ground out each cyl. one at a timeto see if they are all firering
Sorry to inform you that it sounds like your transmission needs servicing. Check the fluid levels and replenish if level is down. If after doing this,the car still wont shift properly or smoothly,,then you will have to take the car into a transmission mechanic.