1993 Lexus LS 400

1993 LEXUS LS 400

KOPEYE

MEMBER
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Engine Mechanical problem
1993 Lexus LS 400 Automatic 226000 miles

93 ls 400 intially the car was running poor lack of power misfiring...got code 13 and 41 ..needed a water pump and front seal also. put water pump and seal in and put it back together..it cranks barely and dies..try to start again and its just turnig over.. what could be wrong?

Sep 28, 2010 at 10:26 AM

DOCFIXIT

CAR REPAIR CONTRIBUTOR
18,828 POSTS

Suspect timing belt not aligned properly see diagram

have problem with codes been repaired?

Sep 28, 2010 at 2:57 PM

KOPEYE

MEMBER
15 POSTS

the marks on 93 ls 400 are different..line up crankshaft on 0 and the two cams line up at the top..got code 13 and 41..put another throttle position sensor on and another crank sensor and got car started but it has no power and dies out on me any ideas

Sep 28, 2010 at 6:35 PM

KOPEYE

MEMBER
15 POSTS

where is the fuel pump and does the fuel tank have to be dropped.....also what is the fuel pressure suppose to be?

Sep 28, 2010 at 9:29 PM

DOCFIXIT

CAR REPAIR CONTRIBUTOR
18,828 POSTS

Diagram is 4.0L 93 LS 400

Fuel pump can be accessed by removing rear seat and lugage mat. Cover plte to get at pump. Pump 28-34 psi

Sep 29, 2010 at 10:41 AM

KOPEYE

MEMBER
15 POSTS

thanks for the information....can the spark plug wires be tested with digital multimeter? and what should the wires read?

Sep 29, 2010 at 4:50 PM

DOCFIXIT

CAR REPAIR CONTRIBUTOR
18,828 POSTS

1000 ohms for each inch is passable

Sep 30, 2010 at 2:37 PM

Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.