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Intermitten no start

Tiny
SETEFANOD
  • MEMBER
  • 1995 LEXUS ES 300
  • 3.0L
  • V6
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
Did you ever find the problem with your son's es300 car. I am having the exact same issues. Tried igniter did not fix the issue.
Thursday, March 1st, 2018 AT 7:09 PM

34 Replies

Tiny
HARRY P
  • MECHANIC
  • 2,292 POSTS
I had the exact same car with an intermittent no start issue. Mine ended up being the crankshaft position sensor.

Even though the car is a 1995, it is an OBD2 car. Which means that AutoZone and Advance auto can scan it for you. I would suggest getting it scanned and see what codes, if any, come up. The connector is in the fuse box, which is in the driver's door panel, on the end of the dash.

Pull the code(s) and let us know what you get. We will go from there.
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Friday, March 2nd, 2018 AT 3:58 AM
Tiny
SETEFANOD
  • MEMBER
  • 25 POSTS
HEYMAN1104!
I pulled the codes on the car. It ended being knock sensors banks 1 and 2.
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Saturday, March 3rd, 2018 AT 12:00 AM
Tiny
SETEFANOD
  • MEMBER
  • 25 POSTS
Codes p0325 and p0330.
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Saturday, March 3rd, 2018 AT 12:00 AM
Tiny
HARRY P
  • MECHANIC
  • 2,292 POSTS
Nice! Since you have codes for both of them. I would run the following simple diagnostic procedure before replacing anything. It is rather unlikely that both sensors went bad at the same time. The procedure is in the attached images. Let us know what you get.
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Saturday, March 3rd, 2018 AT 3:37 AM
Tiny
SETEFANOD
  • MEMBER
  • 25 POSTS
For some reason it will not let me reset the codes.
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Saturday, March 3rd, 2018 AT 1:38 PM
Tiny
HARRY P
  • MECHANIC
  • 2,292 POSTS
Disconnect one of the battery cables for a minute. Touch the disconnected terminal to the opposite terminal for at least ten seconds. This will ground out the residual energy in the electrical system and clear out the computer's memory. So the codes will clear.
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Saturday, March 3rd, 2018 AT 6:55 PM
Tiny
SETEFANOD
  • MEMBER
  • 25 POSTS
Okay man, so here is the jist of it. Bought the car it would stall occasionally but very rare and random. More when it was hot. The guys said it might be the igniter so I got a new refurbished one. Put it in ran fine for like a day then would not start. Usually when it stalled before I would tap igniter and it would start or tap by relay boxes. So I did take off battery terminal for a while. Codes reset. Have it running to wait for it to throw codes to see if the code is the same knock sensor or if it switch banks. Thanks for the help!
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Saturday, March 3rd, 2018 AT 7:05 PM
Tiny
HARRY P
  • MECHANIC
  • 2,292 POSTS
Okay, Keep us posted.
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Saturday, March 3rd, 2018 AT 7:11 PM
Tiny
SETEFANOD
  • MEMBER
  • 25 POSTS
So I let the car idle until it shut off by itself. It took like one hour and thirty minutes to shut off. But the code thrown is now a p1300 igniter.
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Saturday, March 3rd, 2018 AT 7:42 PM
Tiny
SETEFANOD
  • MEMBER
  • 25 POSTS
Thats with the original igniter.
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Saturday, March 3rd, 2018 AT 7:43 PM
Tiny
SETEFANOD
  • MEMBER
  • 25 POSTS
No other codes.
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Saturday, March 3rd, 2018 AT 7:44 PM
Tiny
HARRY P
  • MECHANIC
  • 2,292 POSTS
Sounds like the igniter is getting hot and then quitting when it is hot. Leave the car off for a while and I would bet it will fire right up again. If you still have the new/refurbished igniter, stick it back in there and see what happens.
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Saturday, March 3rd, 2018 AT 7:48 PM
Tiny
SETEFANOD
  • MEMBER
  • 25 POSTS
Okay, I will switch to new refurbished igniter and see if it throws any other codes. Let you know what codes pop up after the switch.
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Saturday, March 3rd, 2018 AT 10:13 PM
Tiny
SETEFANOD
  • MEMBER
  • 25 POSTS
Well took battery off cleared all codes. Hooked up new igniter and its cut out alot fast then the last igniter. Within minutes. Car was just starting to get warm? How do you test coputer to igniter signal or ground. I have a feeling I only got the knock sensor codes from the igniter retar ding timing when failing. Isnit possible I got a bad igniter?
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Sunday, March 4th, 2018 AT 7:39 PM
Tiny
HARRY P
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  • 2,292 POSTS
According to Toyota, testing for a bad igniter is done by checking for sparks. Here is the test that they suggest, attached in the images.

Go ahead and run that test. Personally, I suspect a problem with the ECM, as detailed in the knock sensor tests that I posted earlier. But it is possible that you just got a dud of an igniter too.
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Monday, March 5th, 2018 AT 4:15 AM
Tiny
SETEFANOD
  • MEMBER
  • 25 POSTS
Heyman I know its been a while. I currently still have fixed the lexus. Thought it was computer then took it out look new no burnt spots or leaking capacitors. Put it back in started up fine ran for 10 minutes dies at gfas station lettingnit set I t est power on igniter otrs getting 12 volts all the other side is getting 12 volts. The front 3 coils are getting 12 volts. The front 3 coil packs all ohm out the same. I went to camshafts sensor in front unplug and there is oil in the plug try to ohm it out and wouldnt read nothing no continuity. Plug it backin start up car runs its running as we speak. Should I get new crankshaft sensor?
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Saturday, March 24th, 2018 AT 3:21 PM
Tiny
SETEFANOD
  • MEMBER
  • 25 POSTS
Let me know what you think please
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Saturday, March 24th, 2018 AT 3:22 PM
Tiny
HARRY P
  • MECHANIC
  • 2,292 POSTS
Ok I retraced my work and did some more digging in Prodemand. Basically, it tells me that the igniter is the problem. However, there's a test if you're ready to dig in a little more. This will tell us if it's an ECM problem, or an igniter problem. Personally, I think it's in the igniters because you get different behaviors with each one.
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Saturday, March 24th, 2018 AT 6:32 PM
Tiny
SETEFANOD
  • MEMBER
  • 25 POSTS
So I test the igniter on the incoming and outgoing terminals all have 12v and then went to camshaft sensor unplugged terminal and it had oil all in it. So I cleaned and reinstalled and car ran. But got home wouldnt start again. Then checked the camshaft sensor again and full of oil again I order a new one today should have it by monday. Will update you after install and testing. Took out computer amd looked everyhthing look cherry.
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Saturday, March 24th, 2018 AT 6:35 PM
Tiny
HARRY P
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I'm trying to think how the cam sensor would be getting oil on it. I'm thinking that there's a leaking seal on the sensor. So make sure that you get all of the old seal out of the hole and that the new one sets in nice and flush. Hopefully this solves your problem.
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Saturday, March 24th, 2018 AT 6:55 PM

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