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Anonymous Posted on Oct 17, 2014

I have a 2006 camry v6 engine having proplem with engine starting and when engint starts rpm goes up and down with fuel mixture rich

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ANDY GOH GIN HOONG

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  • Posted on Dec 07, 2014
ANDY GOH GIN HOONG
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HI !
YOUR CAR ENGINE IS ETC SYSTEM ? (electronic throttle control) i think need clean the throttle body first .disconnect the ETC fuse & EFI fuse in fuse box more 1min .after connect back the fuse .turn switch on 1min.off all electrical A/C or lighting .star the engine hole the throttle 2500-3000rpm 3 min .last turn off engine & start the engine .this is ETC learning .

5 Related Answers

Anonymous

  • 324 Answers
  • Posted on Nov 26, 2008

SOURCE: 1989 CAMRY V6 COSUMING TOO MUCH GAS

the other guys is totally correct, at 349K miles, im surprised the car is even running any more.

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Anonymous

  • 89 Answers
  • Posted on Jul 11, 2009

SOURCE: Idle surges when it warms up.

sounds like an engine management fault it will need to go on a computer

Anonymous

  • 73 Answers
  • Posted on Aug 27, 2009

SOURCE: bogs down upon acceleration

You have coil over spark plug ignition and one of your coils is bad.You need to find the bad coil and replace it.

Anonymous

  • 137 Answers
  • Posted on Feb 06, 2010

SOURCE: 2000 camry starts, goes to low idle then stalls.

Check your air intake for loose connections or the MAF sensor "Mass Air Flow Sensor it's located on the air intake. Or replace the air filter it could be old and full of dirt so get this replaced. You can buy the filter at most auto parts stores if you need help ask them. PS don't go to any Wal Mart they don't know anything about cars.

Randy Ohler

  • 14585 Answers
  • Posted on Aug 14, 2011

SOURCE: Sticky high acceleration 1995 LE

The spring that returns the throttle is getting weak. Best thing to do is clean the throttle inside and out. Clean the throttle plate front and back and as for as you reach inside, use an old tooth brush and brake clean. Once clean lube the spring area. This should help. But if it still sticks , I would be looking at the throttle cable.

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1helpful
1answer

Does the IAC valve replace the cold start valve or injector on a 2000 camry v6

IAC or idle control valve would be unlikely to replace a cold start sensor or injector
run the fault codes and check for ambient temp sensor problem that is not telling the ECM to rich up the fuel mixture ( choke ) for the cold air coming in
the ECM will adjust the idle speed accordingly to the responses from the temp sensor
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1991 Toyota Camry running rich after cleaning the throttle body and replaced the throttle positioning sensor. Checked for vacumm leaks but cant find any

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0helpful
1answer

Engine knocking at startup

bad air/fuel mixture could cause rod knock like that, which is a for of backlash or whip like action. Detonation, like very poor grade of fuel. IF your engineis running really rich, the extra rich fuel goes by your piston rings and thins out your engine oil. If you have a bad ROD bearing, it is probably TOO LATE. CLEAN YOUR THROTTLE BODY and IAC valve, since these things fine tune your FUEL/AIR mixture and PREVENT rich running. GOOD LUCK!!
0helpful
1answer

I read the check engin light on my 1993 toyota camry le and it gave me to codes: DTC:14 and DTC:26... What could be wrong with my car?

Code 14: Igniter circuit, probably a faulty igniter
Code 26: Fuel mixture too rich, possibly a faulty coolant temperature sensor, or faulty oxygen sensor
1helpful
1answer

I have code p0507 & p2187 on my 2004 Saab 93 the idle is rough


Combustion engines operate by burning an air/fuel mixture of about 14.7 to 1-14.7 parts air to 1 part fuel. When the air ratio goes below 14.7 parts, this is called a "rich" mixture. If the air rises above 14.7 parts, it is called a "lean" mixture.

Rich Mixture = Too much fuel, not enough air
Lean Mixture = Too much air, not enough fuel

To keep the engine running properly, the Engine Control Module measures the oxygen content in the exhaust with oxygen sensors and makes adjustments to the mixture by injecting more or less fuel.

P0507 Idle Control System RPM Higher Than Expected

P2187 System too lean at idle

Things to check:
1. MAF
2. Fuel pressure, fuel pump flow rate

Do you have cold air intake?

Run a fuel system cleaner first and reset software. Long Term Fuel Trim Additive. Max Value, Air/Fuel too Lean.

Fault symptom


Malfunction Indicator
Lamp

The engine may stop after starting, run unevenly and misfire or run
at high rpm.


On-board diagnosis

Type of
diagnosis:


Continuous

Enable criteria:

The engine has started and lambda control is active.An additive adaptation is
carried out.Cooling and intake air temperature 60°C.Fuel level at least
12%.

Fault criteria:

The additive adaptation factor is greater than 5.25%.

Diagnostic help

Diagnosis
regards:


Checking air/fuel ratio. With this DTC, the engine will be getting too much air or too little fuel.IMPORTANTA crankcase ventilation leak may be one reason as to why a DTC is set. Check crankcase ventilation function before starting regular troubleshooting.

Functions in the diagnostic
tool related to the fault:


Test value:
•O2S1 lambda
•Additive
Adaptation
•Short Term Fuel Trim
•Purge Adaptation
•Airmass Deviation
from Calculated
•Total Fuel Trim Here's a helpful link for you: http://repairpal.com/OBD-II-Code-P0171-and-P0174



You most likely have a vac leak. Hope this helps Fix Ya! Show some love with positive feedback if this brings you to a solution. Thanks Happy Hanna-kwanz-mas
0helpful
1answer

Truck stalls

if it is burning rich, there for it will be over fueling around low rpm i do belive, which will cause the engine to flood, im guessing after you have been low rpm then go for high rpms, it like hesitaes and takes abit of a cough then goes, if that is the case then it is overfueling.

there is a way to advance/****** the engine mixture, but id say for safe if you don't know what your doing to take it do a garage, and ask for it to be timed up with the timing strobe light :) which will stop the, over fuelling around low rpms.
1helpful
2answers

1992 camry 3000 v6 gas rich exhaust smoke

injectors ,when dirty, tend not to spray as well,so it might be that......try some fuel injector cleaner. Also if you have a bad o2 sensor .The o2 sensor tells the computer how to mix the air and gas mixture
0helpful
1answer

Tempreture gauge drops to cold and car stops

Sounds like faulty engine temp sensor. When it drops to cold, the engine control unit picks this up and alters the fuel mixture accordingly. The ECU will be making it a very rich fuel mixture for cold starting, hence very poor running when engine is hot.

TL
0helpful
1answer

Fuel efficency

check for a split in the air intake tube. the v6 has a mass air flow sensor. if air is entering the engine without being counted by the mass air flow sensor it will cause a rich condition.
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