tried to start up today after new turbo/new parts instalment

jcastro · 05-19-2011, 01:05 AM

Click image for larger version

Name: 05182011269.jpg
Views: 1162
Size: 290.8 KB
ID: 3940

finally finished new turbo down pipe intercooler intake and went to start it nothing. NO spark I checked the fuses for power and every thing checked out. Then I adjusted the cam position sensor I bealive its the one by the exhaust cam bolted on to the side of the head. Then tried to start again then BAAAAAM sounded like a gun shot I just have a 3" down pipe on so mabe that why its loud. any ideas I realy do not want to start it until I get more info.

87supra7mgte · 05-19-2011, 03:04 AM

check your coils, make sure the right connector is plugged it, mines a green connector, only one on that side of the engine, check wires inside of CPS to make sure they didn't get frayed or cut, make sure they are grounded out should be a wire coming from the driver side of it that grounds to the head, plug wires in the right order, from left to right it should be 1-6-3-4-2-5, is that all you have is the downpipe? none of the exhaust connected? that could possibly have been the noise, but if it was that loud idk, refer to a manual to properly adjust the CPS, it was the reason mine wouldn't start after i replaced head gasket/turbo

Travis89Turbo · 05-19-2011, 02:32 PM

Put it to TDC then check cps again. If its backfiring then either that is off a tooth or plugs on wrong. Only check the cps if u had it out. If u didnt then it couldn't have jumped. Also check the vacuum line under the intake. That little one always got me. Make sure coil pack mount is grounded to the valve cover or anywhere u choose really but that's the factory location.

jcastro · 05-19-2011, 06:51 PM

I think its going to be what Travis89Turbo said about TDC I think the cps might have moved it was out i will check to day. Thanks for the help guys ill let you know how it goes

87supra7mgte · 05-19-2011, 07:22 PM

Yes, the cps works exactly like a distributor, get your number 1 cylinder at tdc on a compression stroke. move your ps reservoir out of the way and remove the cps all the way, align marks on gear and shaft. reinstall cps so the adjuster is centered on bolt hole(can be a pain cuz of the gears turning to mesh). lightly tighten it so its still moveable, start engine and use a timing gun to put it at approximately 10 degrees BTDC. put ps reservoir back on and your good to go.

jcastro · 05-19-2011, 11:18 PM

Click image for larger version

Name: 05192011273.jpg
Views: 648
Size: 186.0 KB
ID: 3943

k have it at tdc and this is what the cps looks like should the should the stationary marker be exactly aligned with the spindle marker

05-19-2011, 01:05 AM	#1
jcastro 3" Exhaust Join Date: Mar 2009 Location: El Centro Posts: 113	tried to start up today after new turbo/new parts instalment finally finished new turbo down pipe intercooler intake and went to start it nothing. NO spark I checked the fuses for power and every thing checked out. Then I adjusted the cam position sensor I bealive its the one by the exhaust cam bolted on to the side of the head. Then tried to start again then BAAAAAM sounded like a gun shot I just have a 3" down pipe on so mabe that why its loud. any ideas I realy do not want to start it until I get more info.

05-19-2011, 03:04 AM	#2
87supra7mgte 3" Exhaust Join Date: Apr 2011 Location: Tacoma, WA Posts: 63	a few ideas check your coils, make sure the right connector is plugged it, mines a green connector, only one on that side of the engine, check wires inside of CPS to make sure they didn't get frayed or cut, make sure they are grounded out should be a wire coming from the driver side of it that grounds to the head, plug wires in the right order, from left to right it should be 1-6-3-4-2-5, is that all you have is the downpipe? none of the exhaust connected? that could possibly have been the noise, but if it was that loud idk, refer to a manual to properly adjust the CPS, it was the reason mine wouldn't start after i replaced head gasket/turbo __________________ 87 supra, 7MGTE, head gasket and turbo replaced, runs and boosts! fixing wiring odds and ends, then storage for a year basically...then comes big money cash in er, lookin for 500+ to the ground and a very sleek, sexy mkiii

05-19-2011, 02:32 PM	#3
Travis89Turbo 12psi boost Join Date: Jul 2010 Location: Utah Posts: 332	Put it to TDC then check cps again. If its backfiring then either that is off a tooth or plugs on wrong. Only check the cps if u had it out. If u didnt then it couldn't have jumped. Also check the vacuum line under the intake. That little one always got me. Make sure coil pack mount is grounded to the valve cover or anywhere u choose really but that's the factory location. __________________ 1995 Toyota Supra SE 71k miles. Master power T70 stock 2jzge 1989 Toyota Supra. 1jzgte swap 5 speed of course.. Driftmotion 60-1 single turbo kit. Cxracing FMIC. 2jz 550cc injectors... soon to come..... EMS Stinger. BC 264 cams 680cc injectors Spec stage 4 clutch and A LOT of boost!------SOLD 1999 Ford F350 diesel 2004 Jaguar XJR Supercharged If it hasnt broke you haven pushed it hard enough!! Last edited by Travis89Turbo; 05-19-2011 at 02:35 PM.

05-19-2011, 07:22 PM	#5
87supra7mgte 3" Exhaust Join Date: Apr 2011 Location: Tacoma, WA Posts: 63	Yes, the cps works exactly like a distributor, get your number 1 cylinder at tdc on a compression stroke. move your ps reservoir out of the way and remove the cps all the way, align marks on gear and shaft. reinstall cps so the adjuster is centered on bolt hole(can be a pain cuz of the gears turning to mesh). lightly tighten it so its still moveable, start engine and use a timing gun to put it at approximately 10 degrees BTDC. put ps reservoir back on and your good to go. __________________ 87 supra, 7MGTE, head gasket and turbo replaced, runs and boosts! fixing wiring odds and ends, then storage for a year basically...then comes big money cash in er, lookin for 500+ to the ground and a very sleek, sexy mkiii

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
87 MkIII vs 89MkIII -- parts interchange	willblock	MKIII Supra	5	07-24-2016 06:27 PM
car suddenly wont start - never ran great anyway, esp. cold, now cranks, but won't st	rjSupra	MKIII Supra	41	03-21-2014 05:27 PM
Collection of Sources for Parts for the MK3	tangsuto	MKIII Supra	0	08-17-2009 04:21 AM

05-19-2011, 06:51 PM	#4
jcastro 3" Exhaust Join Date: Mar 2009 Location: El Centro Posts: 113	I think its going to be what Travis89Turbo said about TDC I think the cps might have moved it was out i will check to day. Thanks for the help guys ill let you know how it goes

05-19-2011, 11:18 PM	#6
jcastro 3" Exhaust Join Date: Mar 2009 Location: El Centro Posts: 113	k have it at tdc and this is what the cps looks like should the should the stationary marker be exactly aligned with the spindle marker