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I've "probably" worked out what item is causing the issues on my car. I haven't come across this issue in this forum before, so bear with me....
Forgive me for jumping in and not reading the whole lot, it's late at the moment in the UK)... Interesting thread to follow. I assume you've...
Yea this is what I've gathered, I monitored it all on the way to work this morning. There wasn't much life from the EGR system, presumably because...
I've had the Torque Pro app on my phone reading the OBD2 port while I drive, and there are no misfires on any cylinders ever. Never seen a fault...
Just to report... the car is still the same after swapping all 4 coil packs over for 4 completely different ones. I guess this shows two things:...
It's pretty much the same here. Only want to do it since the Toyota Tech site shows what the HC and CO, etc should be for a healthy engine and...
In my quest to make my Prius run better I've got access to a Horiba MEXA-584L at work. It may help me partly diagnose the combustion (or not) but...
I don't, but the seller claims they're tested as working. There's three ways this could go: Confirm that the problem was indeed a coil/coils if...
Well I"ve bought a set of 4 used but genuiine coils off of ebay, they'll either make a difference or not, if they don't I'll send them back or...
I guess economy. Better maintainability. Instead of replacing a whole pack you replace just one coil. Although, theoretically, if one fails the...
I'll just throw these in there, I haven't read all 22 pages. Headtorch for when your other lights are not quite getting to where that hidden bolt...
I'll let the fuel cleaner do its work more. And maybe pop another bottle in. I doubt it's dirty fuel, as this has been going on for a few months...
Well thats the problem. There is no fault code. However, some fuel cleaner feels like its having an effect. Went out just now, little lumpy on...
What does the ECU check for in order to find the misfire? Is it a feedback value from the coilpacks or some kind of calculation? Is this a value I...
I'll elaborate a bit more on the conditions. I wouldn't say it's occasional rough running. It's rough when taking off hard or when it's charging....
Hi Mendel, thanks for replying... 107k miles. As you've probably followed so far, I have my transaxle damper plate vibrating and making noise....
Hi all How do coil packs fail? I've done a resistance and diode check (both ways) across all combinations of the pinouts of all 4 coil packs and...
Just to let you all know about this UK deal from Toyota dealers. It's probably nationwide, not sure how long for. I Just bought 5L of 0w20 oil,...
Good news. I fully removed and intalled the plugs all over again. Before removal, plug 1 was good enough, so I started with that. However, plugs...
Now that's a positive comment if I ever heard one. I hope you're right. I will report back as soon as I've dabbled. Thanks to you all.
