talked to HAMMER TIME last couple of times.
Checked vacuum hoses, connections etc. Everything seems to be allright including O2 sensor. Fuel pressure seems to be allright as well but the engine is still fluctuating. Also
just checked the MAP sensor circuit @ 1&3 position at the connector; comming up with -4.
volts. Upon rechecking TPS (new) no reading on back probe. Of course I now have a 33 code (not in evidence untill disconnection of MAP connector. What do you think?? (Oh, the vehicle has 120k miles on it...new heads but same old lower end with blow by in 1&4 cylinders on the right bank.
Thanks
Customer (name blocked for privacy)
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