How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask roy Your Own Question
roy
roy, import/domestic specialest
Category: Toyota
Satisfied Customers: 5589
Experience:  ASE master tech for 40 years
3506196
Type Your Toyota Question Here...
roy is online now
A new question is answered every 9 seconds

2001 avalon 3.0 xl recently trouble with /low idle flashing

Customer Question

2001 avalon 3.0 xl recently trouble with /low idle flashing engine light/ by codes replaced map sensor/Iac vavle /air filter/both cam sensors /and pcv/by a mechanic shop oil psi ok/no sludge in low or upper engine/engine timming belt and timimg ok, now no codes reported engine runs find but at times engine idle drops to 500 rpms can here and feel rough idle no codes/ it seems in park put any strain on electrical system like power windows up n downn head lights/can feel and see low idle/rough, had battery,alternator/charging tested all ok
Submitted: 1 year ago.
Category: Toyota
Expert:  roy replied 1 year ago.

good morning my name is ***** ***** I will assist

what were the codes???? codes never identify bad parts just failed systems.

does the engine miss fire??? how old is the tune up parts???

Roy

Customer: replied 1 year ago.
all related codes where 3015 or 3014 vva dont remember the rest but any codes parts where replaced pacific to the codes no miss fires
Customer: replied 1 year ago.
tune up plugs ect 3months
Customer: replied 1 year ago.
parts replaced did solve original problems
Expert:  roy replied 1 year ago.

ok, thanks. did anyone serice the throttle body??? clean of all carbon???

Roy

Customer: replied 1 year ago.
sorry for the delay for answers yes throttke body cleaned and gaskets replace
Customer: replied 1 year ago.
my main concern this mostly happens when using power windows /or lights like a heavy electric draw
Expert:  roy replied 1 year ago.

thats because the idle is too low and the alternator is not charging the system.

roy

Customer: replied 1 year ago.
alternator test perfome test ok weak batery?did notice cant leave ligts on to long before dead how long should battery last lights on?
Expert:  roy replied 1 year ago.

battery should last for about 1 1/2 hours with lights on.

do you have a voltmeter to do some checks???

Roy

Customer: replied 1 year ago.
on volt meter my battery last maybe 1/2hr
Expert:  roy replied 1 year ago.

ok, can we do some testing???

Roy

Customer: replied 1 year ago.
ok
Expert:  roy replied 1 year ago.

check the battery voltage with the meter. engine off

Customer: replied 1 year ago.
ill should fine what? can u give me a list it gonana take time not near car
Expert:  roy replied 1 year ago.

measure battery voltage engine off

measure battery voltage while someone is cranking the car.

measure voltage at the battery while engine is running

Customer: replied 1 year ago.
ok
ug dead meter can we continue tomorrow
Customer: replied 1 year ago.
or give me what voltage i should fine
Expert:  roy replied 1 year ago.

tomorrow is good

Customer: replied 1 year ago.
ok about the same time
Expert:  roy replied 1 year ago.

yep

Related Toyota Questions