Cam sensor or DIS first?

Paulio91184

Registered User
Hey guys! over the last few days my 90 SC every once and a while starts bucking and has erratic idle. so i shut it off and its hard to start. Also the tach works when it wants to. should i change the DIS or cam sensor first?

Thanks! Paul
 
I would check the crank pulley for wobble but when the same happened to me it was my DIS module.
 
Try the cam sensor first. Its only about $30.00. The DIS is anyware from $150. to 450.00
 
cam sensor , i bought one from az for $38 , changed it in 5 mins fixed my tach and my cel , but change the gel from under the dis also.
 
does ur car run like crap after it's warmed up a bit ??

put some new heat sink(from a computer parts store) under the DIS.

and buy a new cam sensor. that'll fix the tach and starting prob.

the bucking, i've come to find out is from bad plugs and/or wires. pull them and check em.
 
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