evo got no power

[stevieITR]

just about to do the test on tps but car had flat battery, jump started her and on the first rev it came up an ABS fault 12, which is front left wheel. why would this be as the car wasnt driving at the time also this couldnt be the dam thing thats stoping my car rev could it???

 

[stevieITR]

tested the tps and closed is 0.7v and fully open is 4.84v so i think all is ok.

any other sugestions please lol

 

[stevieITR]

reset ecu and abs fault still there, now im even more confused

 

[jay2k6]

I had the same problem on an astra 2.2 Sri, would go into safe mode and was a nightmare, found the problem was a dodgy senser wire, when cold was fine would rev nice and soon as it warmed up, ie rubber on the wire become softer, all hell would break loose was not showing on the ecu or ecu light not showing either. I had a mate who told me to get someone to rev the car as i went around the engine bay wiggling wires, and thats how i found the fault, worth a try buddy

 

[Marty.H]

As you say the problem gets worse as the engine gets warm have you tried changing the engine temp sensor as with the engine being cold it can handle the extra fueling it will be putting in but if the cold temp sensor is telling the ECU it is still cold when its hot the ECU will be injecting to much fuel nd could be stifeling the engine. Does it smell rich when its running when warm at all and have you had it on an emmitions machine you will find one at all MOT test bays that can be a handy tool for helping to check the engine in regards to overfueling

 

[stevieITR]

thanks for the response guys ill give your ideas a try, also wot would happen if i disconnected the engine temp sensor? wot would the engine do or not do?

 

[Marty.H]

Im not familiar yet with how the Evo management system would respond to cold temp sensor disconnected but on all the other turbo charged cars i have had when the temp sensor is disconnected the ECU will revert to a base fueling map and would put the cooling fans on

 

[Steve220]

It should put the fans on

 

[stevieITR]

ill try it later on wen i get a chance, im guessing it wont make a dif but ill try anyway

 

[Steve220]

I've just had to question myself and on another forum about whether or not the fans should kick in if you remove the plug to the CTS, as i need to know for my car too as the fans are on a manual switch and i want it auto

 

[stevieITR]

just o update the post. evo is now in garage so just waiting to see what outcome is.

the garage the evo is in has another evo IV sitting there with 620 bhp at the wheels. i was there for around an hour asking the dude questions about the car, its an animal to say the least