2000 Rx300, Unstable Idle Problem
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Driver School Candidate
Joined: Mar 2004
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From: South Dakota
2000 Rx300, Unstable Idle Problem
MY GIRLFRIEND WAS STOPPED AT A STOP LIGHT AND OUR 2000 RX 300 STALLED OUT. WHEN THE TEMPERATURE OUTSIDE GOES UP, THE CAR'S IDLE GETS VERY UNSTABLE. THIS IS THE FIRST TIME IT HAS ACTUALLY "DIED" ON HER, BUT STARTED RIGHT UP AGAIN. DOES ANYONE KNOW WHAT THIS IS CAUSED FROM?
Sorry for the late reply. I believ ethis due to a device called Idle Control Valve. I just acquired a 99 RX300 and I looked the service history. The last owner already replace that twice. Not a very good sign to me.
mine never did that and mine never had any occasions of it doing that!! contact ur lexus dealer about this..
CL Community Team
Joined: Apr 2001
Posts: 16,564
Likes: 1,388
From: Austin, TX
Re: 2000 Rx300, Unstable Idle Problem
Originally posted by PARKER115
MY GIRLFRIEND WAS STOPPED AT A STOP LIGHT AND OUR 2000 RX 300 STALLED OUT. WHEN THE TEMPERATURE OUTSIDE GOES UP, THE CAR'S IDLE GETS VERY UNSTABLE. THIS IS THE FIRST TIME IT HAS ACTUALLY "DIED" ON HER, BUT STARTED RIGHT UP AGAIN. DOES ANYONE KNOW WHAT THIS IS CAUSED FROM?
MY GIRLFRIEND WAS STOPPED AT A STOP LIGHT AND OUR 2000 RX 300 STALLED OUT. WHEN THE TEMPERATURE OUTSIDE GOES UP, THE CAR'S IDLE GETS VERY UNSTABLE. THIS IS THE FIRST TIME IT HAS ACTUALLY "DIED" ON HER, BUT STARTED RIGHT UP AGAIN. DOES ANYONE KNOW WHAT THIS IS CAUSED FROM?
Salim
Driver School Candidate
Joined: Oct 2017
Posts: 1
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From: nc
Help RX300 running rich . Idol dropping at complete stops
Many help would be great
1999 RX300. V6 automatic transmission
no back firing
hesitate when I give it gas from a dead stop
Low idol
99% sure fuel problem
anybody knows with the fuel filter is ?
no lights or codes on dash
My educated guess saids it's going to be the fuel pressure regulator
this is my daughter mother truck . I need to get it right
1999 RX300. V6 automatic transmission
no back firing
hesitate when I give it gas from a dead stop
Low idol
99% sure fuel problem
anybody knows with the fuel filter is ?
no lights or codes on dash
My educated guess saids it's going to be the fuel pressure regulator
this is my daughter mother truck . I need to get it right
CL Community Team
Joined: Apr 2001
Posts: 16,564
Likes: 1,388
From: Austin, TX
Many help would be great
1999 RX300. V6 automatic transmission
no back firing
hesitate when I give it gas from a dead stop
Low idol
99% sure fuel problem
anybody knows with the fuel filter is ?
no lights or codes on dash
My educated guess saids it's going to be the fuel pressure regulator
this is my daughter mother truck . I need to get it right
1999 RX300. V6 automatic transmission
no back firing
hesitate when I give it gas from a dead stop
Low idol
99% sure fuel problem
anybody knows with the fuel filter is ?
no lights or codes on dash
My educated guess saids it's going to be the fuel pressure regulator
this is my daughter mother truck . I need to get it right
You will need adapters to fit pressure gauge and then specs to measure the line pressure and volume (flow) to narrow down the fuel delivery issue.
Dont forget o include quality of fuel.
Fuel injectors.
Air intake (oxygen sensor).
Salim
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