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88 740T SRS dash lights on. 700

posted by  gregoryz3 on  Sun May 20 18:17 CST 2012
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last visit: Sun Nov 18 01:32 CST 2012
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Still trying to figure out why my car wont idle or more. I slid the car to the left avoiding a wreck a couple years ago and my SRS light came on in the dash.Its been on eversince.My car died after taking a hard left around a median.Could that be keeping it from running?Still not sure where the exelerometer is that would have triggered it to start with.The airbag never deployed but i have always been afraid it could while i'm driving.Any help would be a blessing.I'm affraid at this point my ECU has failed,i have replaced everything else.Looking at and smelling the plugs theyre super rich.The whole ignition from/including dist out is new including coil and IPD blue wires.All fuel system parts are new or working(havnt replced the injectors but they wouldnt all fail at once)pumps are nearly new but filter ,relays,pres reg are new.Intake looks fine and clean.new throttle switch .temp switch, all relays.I'll go over vacume lines one more time but i'm stumped this time.So affraid to trust my baby to a stranger.Damnit!!!oops sorry.








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88 740T SRS dash lights on. 700

posted by  james_a_sousa on  Tue May 22 18:27 CST 2012
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last visit: Thu Oct 23 18:51 CST 2014
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Unplug the mass air sensor and check to see if all the male and female pins and plugs look OK.

It wouldn't hurt to check the grounds in the left front fender, remove the power stage and make sure it is grounded, and make sure you check how the mount for the ABS is grounded.

Most of the electrical components are grounded some how. as is the engine to the body - I think that there are ground straps top and bottom. Your sudden turn could have moved the engine enough to break a ground strap.

Take a good look at your battery cables - the small wires on the positive cable of my '90 744 TI had rotted almost completely away inside the insulation - I had to strip all the positive wires back at least an inch to get rid of the gunk. The same can hold true for the ground cable.
--
'96 855R,'64 PV544 driver, '67 P1800 basket case, '95 855, '95 854, the first three are mine, heh, heh, 485,000 miles put on 9 bricks








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88 740T SRS dash lights on. 700

posted by  Klatu on  Wed May 23 03:59 CST 2012
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last visit: Fri Oct 17 21:22 CST 2014
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SRS light wouldn't affect engine.








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88 740T SRS dash lights on. 700

posted by  someone claiming to be bob on  Tue May 22 17:40 CST 2012 [RELATED]

srs has no conection to the engine. crash sensor is under the drivers seat.







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