Help with 94 SHO

[CrazieSHO]

Ive searched and read,This car does many different things.Sometimes its a pain to start likes its not getting gas(not often),other times while driving it with throw the CE light RPMs will drop to 0 and the car will violently shake,if i turn it off turn it on and let the clutch out it will pop and spit and sputter then run fine with the CE light on and the RPMs at 0.This is a MTX.Thank you for reading and any input.I am new to the SHO world.The only code the car throws is 551 IAS.(IRMC)

 

[shonuffmine]

where are you in florida? Sounds like classic crank position sensor symptoms usually has a 211 pip failure code tho

 

[CrazieSHO]

Im down south cape coral/fort myers area.It didnt throw that code.I hate to sound ******** but once again Im new to the SHO world.Weres that located.

 

[shonuffmine]

It is behind the harmonic balancer on the crank.Here,s a good reference link http://www.shophoenixproject.com/lower60k/lower60k.htm .check your codes again to make sure you have all of em! James was saying on here about the SHO has a problem when it is hot,mine will run like crap and fail to start easy if i get her hot shut it off then try to restart,tach goes dead n takes a few tries to get her started. I,m sure my issue is a bad CID.

 

[CrazieSHO]

Yea ill run the codes again,ill prolly end up doing the crank position sensor and while im there the alternator and the belts.The IAS code comes up can you buy a new IRMC?

 

[rubydist]

Welcome to the forum, CrazieSHO!

Sounds to me like you have a couple of problems:

The symptoms you describe are classic for cam sensor failure, not crank sensor failure, but they could also be due to a bad dis.

If the cam sensor is not working, the pcm doesn't know how to time the spark at startup, so it can take several tries to get it started. the tach dropping to 0 is either a cam sensor or a dis problem.

The IAS code means that it cannot read the intake air temp sensor. In my experience, the SHO motor will not run properly if this sensor is not working, so it will be important for you to determine why that sensor is not reading correctly.

 

[CrazieSHO]

Thank you so much this forum has been a hug help,I dont wanna sound dumb bus DIS,sounds like Distributor to me...The show doesnt have a distributor.So not the crank the cam sensor?So i should find the IAS and take it out and check it out see why its not workin.I think I might just get a new one.

 

[zblackbeast]

DIS stands for Distributorless Ignition System. The DIS module is located on the crossover tube on the intake manifold. Its a grey box with 2 electrical connectors on both sides. Its held on by 4 TINY bolts (5.5 mm IIRC). The cam sensor (CID) is located in the rear most exhaust cam on the front of the engine Its held on by 2 5.5 mm bolts IIRC.. Both are VERY easy to replace!!

 

[CrazieSHO]

Thank you so much,you guys are amazing,I love cars but am new to sho's and want to get this thing running right so I can keep it forever.

 

[nacanitihs]

ya sounds like the cam sensor to me too. its so easy to replace that one unlike the crank sensor... you just have to remove the battery, move the power steering reservoir up, unplug the sensor then remove the 2 screws holding it in.

crank sensor you have to take the entire front end of the motor off...