Intake Manifold Install

[gmbellew]

check to make sure you have all the vac lines hooked up correctly to the TBI. you may also check the EGR (or take the vac lines off at the solenoid and plug them) and see if that helps.

does it seem like it is loading up on fuel and flooding itself out?

do you have access to a scanner or ALDLDroid and a blue tooth ALDL cable to get data from the computer? Maybe some clues there.

 

[Mango]

Removed the IAC cleaned it check connections re installed took it for a small test drive no stall??

 

[gmbellew]

Removed the IAC cleaned it check connections re installed took it for a small test drive no stall??

The question marks are confusing. Did it run fine and not stall after that?

 

[Mango]

Yes no stall, just Questioning if thats all it was
I did clean the TBI when it was off with carb cleaner turned it upside down and blasted it must of gotten junk where it should not be
Thanks

 

[gmbellew]

Yes no stall, just Questioning if thats all it was
I did clean the TBI when it was off with carb cleaner turned it upside down and blasted it must of gotten junk where it should not be
Thanks

must have had something stuck in one of the tbi ports somewhere causing the issue.

 

[Mango]

UpDate code 23 gone code 33 vacuume hose not connected, The Dreaded code 42 is back checked ground wire ok
Let it idle sounded great then just shut down no sputer its like i turned the ignition off hard start rough idling engine light came on Stumper

 

[Rusty Nail]

Hi!
Might wanna check the Coolant Temperature Sensor (CTS).
Was a grounding eyelet present at the thermostat??
Check ignition module wiring and make sure routing of the spark plug wires are not to close to the EST circuit(s) wiring??

 

[gmbellew]

code 42 only sets when the EST wire is disconnected. not sure if anything else in ICM will set it (which is certainly frustrating sometimes to diagnose). check the connection at the disconnect to set timing and at the ICM to be sure the connectors all look good.

 

[Mango]

Thanks Guys
No ground by the thermo

 

[gmbellew]

Thanks Guys
No ground by the thermo

several TBI sensors use that ground. it comes out of the harness by the coolant temp sensor wires.

 

[Mango]

Thereis a ground on the Passenger side second bolt in the intake with the battery ground
Check and was some bare wire repaired last year some time

 

[Rusty Nail]

Bingo!
Now youre diggin at the root.
I suggest to remove those grounds from the intake bolts...that has caused a bad reference (5v) ground, which can make havok in the ESC circuit  AND provide a false code 42 AND also shut power to the injectors.


Did he say HAVOK??

xc_hide_links_from_guests_guests_error_hide_media

 

[Mango]

Added a additional ground strap to the frame, Cleaned surfaces to metal, Same issues runs for anwhile or drive Afew miles and instant shut off
Move thhe ground to a new location?

 

[gmbellew]

my ground is here next to the Coolant Temperature Sensor

 

[Mango]

That is Exactly where mine is, I painted the intake and used thread sealer would that be an issue?
Rusty Nail what is your suggesion to locate the Grounds, Battery And small wire ground??
It was all fine before i Installed new Gaskets