Author Topic: Calibra (C20XE) Rough Idle and No Power  (Read 1621 times)

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Offline StefanWylde

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Re: Calibra (C20XE) Rough Idle and No Power
« Reply #15 on: January 11, 2018, 00:43:28 AM »
Okidoki. So, what about fuel pressure, should be 3 bar - are you able to check that? Also good to check the earth on the MAF and check it’s not broken. As these cars are getting older the looms are corroding/collapsing and causing problems. Use a multimeter to make sure you have zero resistance between MAF ground and battery negative/0v

I will check the MAF earth tomorrow morning, but I cannot check the fuel pressure until I visit my mechanic (about monday). Anyways, another useful info for my car's problem is that, if it's warm/hot/whatever, it takes a lot of cranking to start the engine. And every filter has been recently replaced: both of the fuel filters (petrol and lpg), oil filter and air filter.

Offline agw9262

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Re: Calibra (C20XE) Rough Idle and No Power
« Reply #16 on: January 11, 2018, 10:37:28 AM »
That does sound suspiciously like CTS... since fuelling is altered according to engine temperature to aid cold starts. I know you said you’d checked it but I’d be very tempted to also get a cold and hot resistance reading from it. I don’t have my book with me (traveling) but can check what it should be when I get home if you get readings we can compare it