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Thread: Caliber srt 4 swap throttle issue or neutral rpm lock

  1. #1

    Caliber srt 4 swap throttle issue or neutral rpm lock

    Hello everyone I am at it again. The car is also currently still on E85 gas from the last motor. stock csrt4 injectors and 340lp aem fuel pump

    I know I may be in over my head but I blew my last motor and now swapped out the 2.4 for the csrt 4 motor. I got everything in and got it to start but i cannot get the car to rev at all. If i push the throttle the tps dips to 10% and voltage drops as well. I did turn off the coolant temp sensor 2 as there was none on the srt 4 motor. I am also using the stock 1.8 ecm.

    Now the funny part. I put the car on jack stands and then put it into first or second gear and once the clutch catches I can give the car gas and it will drive like normal. Any help is greatly appreciated. below are my tune files.

    1 is car on the ground

    3 is car on jackstands.
    Attached Files Attached Files
    • File Type: hpl 1.hpl (345.5 KB, 6 views)
    • File Type: hpt 1.hpt (589.1 KB, 9 views)
    • File Type: hpl 3.hpl (295.8 KB, 5 views)
    • File Type: hpt 3.hpt (600.0 KB, 5 views)
    Last edited by CaliberGuy05; 01-31-2023 at 08:11 AM.

  2. #2
    Well good news, it was in my tune. I dont know what i did but i flashed the tune from the old motor and now it revs. Any recommended tuners for this in GA?