Prius (2001-03) :: Misfiring On Random Cylinders - Engine System / Ignition Circuit Malfunction
Jul 13, 2015
Started this winter as a misfire on random cylinders. I replaced all apart plugs and verified the gap. Replaced all the coils. Still occurred during the cold months. Once it warmed up it went away for a short while. The only codes present at the time were random misfire codes. Took it to a shop and they told me the injector was bad on cyl 1. Today I replaced the injectors with a matched set of 4 matched flow Denzo remand. Ran it on the TIS tech tool and was given a barrage of codes. I can unplug #1 coil and it will smooth out and stall within 90 seconds. Engine runs rough. Intake was just done as well. From Toyota TIS
P3191 – engine didnt start
P3000 - Battery Control System
P3101 – engine system malfunction
P3190 – poor engine power
P1300 - ignition circuit malfunction #1
P0303
P0302
P0301
P0300
c1259 - ABS error code meaning problem with regenerative braking. Probably caused by me forcing the car to recharge the HV while misfiring. HV battery was getting dangerously low from sitting for the last 6 months.
b0116 – LH airbag circut
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I have a 2003 Santa Fe, V4, 2.4L.
So the other day, my CEL and I got it scanned: p0320, or "Ignition/Distributor Engine Speed Input Circuit Malfunction."
It was accompanied with two symptoms:
1. The car will sometimes sputter on startup, and the tachometer will be zeroed out. I have to turn the car off and turn it back on, and it will start normally, albeit with a bit of a misfire on idle.
2. The car will sometimes die while at a stop. Just like the first symptom, if I turn the car off and turn it back on, it will work normally.
I looked on here, and it seemed like everyone solved a p0320 by replacing the Ignition Failure Sensor. So that's exactly what I did. But nothing changed; I still have the symptoms, and the CEL came back on and is still reading p0320.
What should be my next step? Could it be faulty wires that give power to the Ignition Failure Sensor?
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The engine sometimes has misfiring, and the VCDS reports "Injector Circuit Malfunction Cylinder 7, sporadically". I changed the spark plug, the injector and the ignition coil. So the problem remained and after about 600-800kms the fault came back. Now I moved a little bit the cables of the injector plug and I noticed that the problem is solved, until a few hundred kms were driven. The cyl. 7 is near front side and I could move the cables to the injector plug under the intake manifold.
Now I know, that the problem is the plug of injector (see pics)....
My question.... I bought the plug but it is not the complete like on the pics, it's only the middle part where the cables go in. It has not this sponge-like thing which is in the whole in which goes in the cable. The grey thing which locks the plug is also not in the new plug. Maybe if I have to exchange this small parts on the new plug? I can't imagine how to change the plug, do I have to cut the cables and put them in the new plug. What kind of attachement do the cables have in this plastic plug?
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I have a 2003 ford ranger edge with the 3.0l engine. It started acting up today so i brought it to get checked because the check engine light came on. Three codes where pulled p0300, p0306, and p0313. They were multiple/random cylinders misfiring, cylinder 6 misfire, and first misfire at 1000 rpm. I have replaced the plugs and coil and still have the trouble.
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I do not know the 5.4l 3v as well as my last 360ci dodge. It's a 2005 F-150 SuperCrew 4x4, got it cheap, and it's got issues. Got codes for misfire on cylinders 4 and 5 and Coil 'D' circuit malfunction. Obviously it has codes for limited power as well. was wondering how cylinder numbering goes and what coil is 'D'.
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Started up my car the other night and my engine light came on, trac light came on... VSC msg came on the dash, engine was rough idling. I drove it home after checking my fluids... i took the OBD scanner to see whats going on, hoping i just need a battery change. Codes popped up P0354, P0300-0306. basically ignition coil malfunction, and my cylinders were misfiring.
I am at 62k miles and warranty crapped out at 50k. the problem was obviously electric, since all 6 were misfiring, otherwise it would only be a few. I haven't had any engine work, I just recently did a proper oil change at home(royal purple 5W30), which I've done since I've had the car in 07.. I took the car to the dealership for the CPU reprogramming for the recall in April.
About to take the car back to get it checked up on and fixed.. I am lowered on coilovers and 20" rims, which gives it a rough ride, but i dont think it would cause this problem. i dont track/race the car and i drive it relatively civilized. Lowered since 30k miles and 20"rims since 50k miles.
What could've gone wrong? timing off etc... i pulled my engine cover to check the connection points for the coils, all seems fine, no corrosion on the grounding points. i was only able to check the front 3 coils, the other 3 were hidden in the back and i wasnt able to look at them. i assume they should be fine as well..
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I own a 2002 SC430 with 20,200 miles on it which I purchased new. The other day the check engine light came on. I checked it with the code reader and got the following 2 codes. P0300 (random multiple misfired detected) and C1201 (engine control system malfunction). The car ran great before, now running real ruff and when you drive it has less power.
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The 2005 Avalon has 48K miles and it's been running well without any issues, until today.
Driving in city traffic, max speed is about 30 ml/h, The "Check Engine" light and the "VSC (Vehicle Slip Control) Off" lights came on. I did stop the engine, restarted after couple of minutes and the same lights stayed on. The car ran just fine, no noticeable difference in performance.
With the OBDCOM reader, the Avalon has this code:
P0351 232
P0351 Ignition coil A primary/secondary circuit malfunction
That seems to indicate a malfunction for cylinder A, or #1, ignition coil that has nothing to do with the "VSC" AFAIK. Is this a misread by OBDCOM reader, or the Avalon is confused?
The code had been reset via the OBDCOM reader, the car runs fine, neither of the lights come on now. Should I do something about coil A, or just wait until the code comes back?
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The first is a trans control system malfunction and the 2nd code(0740) is tcc circuit malfunction- but what exactly do these codes mean? and the o2 sensor needs to be replaced, it said bank 1 sensor 1- does that mean the one BEFORE the catalytic converter?
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Our 2001 Prius has recently been having problems with the steering wheel locking (not in a position where this would be normal/expected, but in random positions--takes several minutes of wiggling and turning the car on and off to get it unlocked) and the key getting stuck in the ignition (just as if the car weren't in park, except that it is). They might be unrelated, but started occurring at the same time.
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I have a 1999 Ford Explorer with the V-6 SOHC that is stuttering and stalling when I try to accelerate. A very slight acceleration will get the vehicle moving, but anything coming close to normal gas pedal pressure causes immediate stuttering and/or stalling. Check Engine light came on when problem started yesterday.
Where is the EVAP System Canister Vent Solenoid? I bought a code reader after beating my head against the truck all afternoon and got code "P1451 EVAP System Canister Vent Solenoid Circuit Malfunction". My Haynes book says on the left side frame rail... can't find anything along there that looks like it (based on picture from Rock Auto for replacement part) and found some people online talking about it being in the engine compartment on the passenger side...
Just crawled all over the truck and I think I found the charcoal canister, but couldn't trace it back to the vent solenoid... There was something right next to the canister, but again, it looked nothing like the replacement part listed on Rock Auto...
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I'm not too knowledgeable about wiring and electrical systems. I'm getting a P1451 code (EVAP Control System Canister Vent Solenoid Circuit Malfunction) on my 99 4.2. I've read that it could be a bad solenoid, bad wiring, or a blown fuse. So far I've;
- checked (and changed) the related fuse
- checked the wiring for damage at the connector
- checked voltage at the connector (12 volts)
- checked the resistance at the solenoid (around 60 ohms)
- actuated the solenoid with a 9V battery (can hear it opening and closing)
I haven't had a chance to check the wiring all the way back up the frame to yet, but I noticed that the ground at the trailer wiring harness has broken off the frame. Would this potentially cause a fault in the upstream wiring? I'm going to slap a new connector on and bolt it back down anyway, but as it's Labour (Labor) Day I'll have to wait for the stores to be open tomorrow.
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So I picked up this 24v vr6 in florida and it has the folowing codes:
p2181 malfunction in cooling system
p0303 misfire in cylinder 3
p0305 misfire in cylinder 5
p0300 random multiple misfires detected
p1570 engine control module disabled
I am thinking the ecu is fried? otherwise why else would that last code pop up. misfire codes im assuming are related to the ecu because theres new COP on each cylinder, newer starter, newer alternator, new spark plugs. Cooling system malfunction im thinking could be the ECT sensor, apparently the water pump was replaced a little while back.
If the ecu is fried can I buy a new one chipped from like APR or do they need the existing ecu and then they modify it?
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So as I was heading out the other day, the car had low acceleration and engine shaking. The check engine light started flashing.
Checked the codes at the parts store: P0300, P0301, P0303.
I just dropped it off at the auto repair shop.
Could it be a I'm just wondering if I shouldn't have taken it to the dealer as the printout says it could be a CPU issue?
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I have some codes on my ranger 2000 here goes
P0141: o2 sensor heater circuit malfonction (bank 2 sensor 2 )
P0455: evaporative emission control system detected (large leak)
Now I will need to get that fixed cause I don't know where to look and what to look for ... For the leak I know there is a big crack on the plastic where the gas lid is could that be it ?
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I've got a 2004 Prius with about 140,000 miles. Overall, the car has worked great, and I've kept up with regular service.
Several months ago, I started having bad misfiring of the engine. When I got it into the shop, it turned out to be two faulty ignition coils. The shop advised me to replace them all, which I did. Soon afterwards, however, the CEL came on, indicating a P0420 - "Catalyst System Efficiency Below Threshold Bank 1".
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Engine runs very erratically and I got ignition failure codes on all cylinders plus mixture too lean code. 2 years ago I changed the gadget that sticks right into the middle of the engine and regulates the mixture and the issue disappeared. bought the part from rockauto. should I change sparks and ignition cables or order the same part again? Never changed the ignition cables and sparks.
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My truck is skipping but if I give it more throttle it will stop but then will start back when I let off the throttle. It seems like it is only running on half the cylinders. This problem is intermittent which makes it very hard to troubleshoot even for the dealership and other places I have taken it. Also, the problem is temperature sensitive. It only does it below 40 deg. F. Truck runs fine any other time of the year. Truck has new plugs, plug wires, distributor, egr valve, O2 sensor. Also, the IAC has been cleaned. The check engine light does not come on.
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I noticed yesterday that my 2001 was stumbling when turning left. Later in the day, the CEL came on, and I retrieved a P0301 code. In both cases, I was driving around town, not cold but not fully warmed up, engine temp around 40-70 C.
I haven't done any further investigation, other than trying some different driving experiments. I've been able to recreate the problem several times starting out with a left turn when the car briefly runs on three cylinders. Going straight or turning right is fine.
Question: which cylinder is #1? My intent is to check the plugs and leads first, but since it's cold outside I'd like to focus my attention as much as possible on the problem area. I thought at first it might be fuel related because of the turning behavior, but on reflection, it feels more like an ignition issue.
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Toyota read the codes wrong and told me that I need a new hybrid battery. That is incorrect info. Codes P0300 P0301 P0302P0303. The codes mean misfire in cylinders 1 , 2 and 3. I have had injector cleaned in the past new spark plugs. If I drive it it gets warmed up and shuts down. It will restart and run maybe 7 more miles the same. The brake light comes on and I have to restart it.
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I have a 2008 Prius with 106,000+ miles on it. It was running fine till 2 days ago, I didn't start it yesterday and today when i went to start it, I get the Hybrid System Malfunction light, along with check engine, the red triangle and TPMS light. The gas engine tries to start up, then 1 second later makes a grinding noise and turns off.
I am in Toronto and its cold, but not THAT cold yet. So I am doubtful its temperature related. I checked the fluids and they all seem to be sufficient (engine oil, radiator fluid, power steering fluid). I didn't notice any leaks under the vehicle either.
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