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trung do
trung do,
Category: Lexus
Satisfied Customers: 97
Experience:  journeyman technician at stevens creek toyota
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I have a 2000 Lexus es300 which I just replaced both knock

Customer Question

I have a 2000 Lexus es300 which I just replaced both knock sensors and harnesses. After I replaced them the check engine light turned off and it started up twice with no issues. It now wont' start. it cranks but won't start up.
Submitted: 10 months ago.
Category: Lexus
Customer: replied 10 months ago.
there seems to be pressure to the fuel line, i checked that. looked over the fuses and they seem fine
Expert:  trung do replied 10 months ago.

HI MY NAME IS ***** ***** I GLAD TO BE ASSISTING YOU TODAY

Expert:  trung do replied 10 months ago.

DID YOU BY ANY CHANCE CHECKTHE GROUND WIRE FOR THE INJECTOR

Customer: replied 10 months ago.
hi
Expert:  trung do replied 10 months ago.

I KNOW WHEN REMOVING INTAKE MANIFOLD WIRE HAVE TO BE DISCONNECT AND YOUR ISSUE SOUND LIKE A LOSSES GROUND WIRE AT THI INJECTOR

Customer: replied 10 months ago.
where is that ground wire ?
Expert:  trung do replied 10 months ago.

SO AROUND THE VALVE COVER THERE SHOULD BE THREE OR FOUR WIRE BUNDLE TOGETHER AND SCREW ONTO THE VALVE COVER IF U LOOKING AT THE FRONT COVER SHOULD BE ONTOP THE NUMBER 4 CYLINDER

Customer: replied 10 months ago.
i tried to check all wiring to make sure it was connected correctly but let me run out and double check this particular one
Expert:  trung do replied 10 months ago.

IF YOU HAVE ANYMORE QUESTION FEEL FREE TO ASK , IF YOUR DONE PLEASE TAKE A MOMENT TO RATE MY SERVICES THANK YOU VERY MUCH

Customer: replied 10 months ago.
well it seems to be connected fine
Expert:  trung do replied 10 months ago.

DO YOU HAVE A MULTI METER HANDY

Customer: replied 10 months ago.
still no start
Customer: replied 10 months ago.
does the vacuum switching valve have anything to do with this issue? the two little lines that connect to it are broken.
Customer: replied 10 months ago.
i dont havee one
Expert:  trung do replied 10 months ago.

NO IF THEIR ARE BROKEN WAS CAUSE ROUGHT IDLE NOT STARTING ISSUE

Expert:  trung do replied 10 months ago.

SO MY NEXT QUESTION IS DID U REPLACE THE KNOCK SENSOR BY YOURSELF

Customer: replied 10 months ago.
oh i see, what were you going to suggest with multi meter? or any other suggestions?
Customer: replied 10 months ago.
both of them and the wiring harnesses
Expert:  trung do replied 10 months ago.

DID U HAVE STARTING FLUID OR BRAKE CLEAN HANDY

Customer: replied 10 months ago.
Expert:  trung do replied 10 months ago.

IF YOU DO SPRAY SOME FLUID INSIDE THE AIR FILTER BOX TO SEE IF VEHICLE WELL START

Customer: replied 10 months ago.
im sorry i dont have any but can go buy some real quick? do you suggest i do that?
Customer: replied 10 months ago.
i just sent my son for some around the corner, i will le tyou know if it works in a bit
Expert:  trung do replied 10 months ago.

YES WE JUST TRYING TO SEE IF FUEL ISSUE IS THE CAUSE FOR VEHICLE NOT TO START IF IT FUEL ISSUE THEN WE CAN GO BACK AND CHCK AL THE CONNECTOR FOR THE INJECTOR

Customer: replied 10 months ago.
ok ill let you know as soon as we check that out
Expert:  trung do replied 10 months ago.

please leave a 5 star rating if you were satisifes with my assistance. its the only way i get credit for my help. thank you and have a great weekend

Customer: replied 10 months ago.
no that didnt work
Customer: replied 10 months ago.
i understand that but the problem has not been resolved quit yet
Expert:  trung do replied 10 months ago.

DID U SPRAY INSIDE THE TUBE

Customer: replied 10 months ago.
i did
Expert:  trung do replied 10 months ago.

DIDIT CRANK STILL NO START

Customer: replied 10 months ago.
right it cranks but won't start
Expert:  trung do replied 10 months ago.

DID U HAVE SOME SPRAY WHILE U STARTING ?

Customer: replied 10 months ago.
i had someone spray into it while i cranked to try to start
Expert:  trung do replied 10 months ago.

AND ENGINE DIDNT FIRE UP

Customer: replied 10 months ago.
it stutters but didn't fire up
Expert:  trung do replied 10 months ago.

CAN U REMOVE ONE OF THE PLUG?

Customer: replied 10 months ago.
i can which one and then what do i do?
Expert:  trung do replied 10 months ago.

WHICH EVER EASY CHECK FOR SPARK

Expert:  trung do replied 10 months ago.

DID YOU HAVE THE SPARK PLUG REMOVE ?

Customer: replied 10 months ago.
im working on that , one sec please
Customer: replied 10 months ago.
ok got plug removed
how do we check for spark?
Expert:  trung do replied 10 months ago.

AFTER RMOVING SPARK PLUG AND IGNITION COIL YOU CAN PLUG IN INTO THE PLUG AND HAVE THE END AGAINST THE VALVE COVER OR ANY METAL SURFACE HAVE SOMEONE CRANK SEE IF YOU SEE SPARK HAPPENING BECAREFUL NOT TO TOUCH AND OF THOSE SURFACE

Customer: replied 10 months ago.
there willnot be any issues cranking the car with teh spark plug out of its place, will there?
Expert:  trung do replied 10 months ago.

NOPE WE JUST DO IT COUPLE SEC NOTHING WELL HAPPEN

Expert:  trung do replied 10 months ago.

SO U HAVE NO SPARK CHECK THE CONNECTOR AND WIRING AT THE DISTRIBUTOR BOX SEE IF IT DISCONNECT OR LOSSE

Customer: replied 10 months ago.
ok, the battery died after so many tries to start it. im jumpimg it now so i will do that just as soon as we can and let you know
Customer: replied 10 months ago.
what or where is distributor box?
Expert:  trung do replied 10 months ago.

SHOULD BE A ROUND BOX WITH THE IGNITION COIL ATTACH TO IT

Customer: replied 10 months ago.
there is no spark
Expert:  trung do replied 10 months ago.

YES AND WE CHECK IF THERE CONNECTOR LOSSE OR NOT CONNECTED PROPERLY

Customer: replied 10 months ago.
we cannot find that box
Expert:  trung do replied 10 months ago.

FOLLOW YOUR IGNITION COIL WIRE

Customer: replied 10 months ago.
but these cars dont have a distributor
Expert:  trung do replied 10 months ago.

DISTRIBUTOR OR IGNITION CONTROL MODULAR IS ATTACH TO ALL THOSE WIRE

Expert:  trung do replied 10 months ago.

ANY OTHER QUESTUON YOU HAVE

Customer: replied 10 months ago.
I will in a bit but I had to step out,to pick up family member from work
Expert:  trung do replied 10 months ago.

IF YOU HAVE ANYMORE QUESTION FEEL FREE TO ASK , IF YOUR DONE PLEASE TAKE A MOMENT TO RATE MY SERVICES THANK YOU VERY MUCH HAVE A GREAT DAY

Customer: replied 10 months ago.
all those connections are secure and fine. we did notice the security light is flashing red at all times
Customer: replied 10 months ago.
can this be the issue?
Expert:  trung do replied 10 months ago.

good morning , thank for the information it , so when you insert the key does this light goes away of stay on

Customer: replied 10 months ago.
it continues to blink
Expert:  trung do replied 10 months ago.

THEN UR IMMOBILIZED IS NOT LETTING YOU START , HAVE U TRY ANOTHER KEY

Customer: replied 10 months ago.
no i only have one
Expert:  trung do replied 10 months ago.

IF THE IMMOBILIZER DOESN'T RECOGNIZED THE KEY THERE NO WAY TO START THE ENGINE IT KILL THE IGNITION ECU

Customer: replied 10 months ago.
ohh ok, so what is the solution to that?
Expert:  trung do replied 10 months ago.

you would need a high end scanner to acess the immobilizer ecu and see if the computer read the key insert

Expert:  trung do replied 10 months ago.

Please let me know if you need anything else on it, just reply back and we will continue

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TRUNG DO

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Expert:  trung do replied 10 months ago.

do u need further assistant