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DSM_JAY

10+ Year Contributor
61
0
Apr 9, 2009
Tampa, Florida
Ok everybody, Bit of a problem. I have recently installed new plugs(bpre6's) new wires ngk 7.5mm, coils ohmed out fine. In park or neutral throttle response is fine, in drive not so much. its running slightly rich, timing is dead on, good vacuum, passed boost leak test. my data logger quit on me a few weeks ago so i cant get a good idea on maf performance because my scanner only gives me grains/second, if theres a conversion I dont know it. Any ideas
 
when i put the vehicle in drive it takes till about 2000 to 2500 rpms for the car to start accelerating properly its just dead till then. it very gradual and takes probably like 3-5 seconds for like i said good acceleration
 
Any CEL's? So this started to happen after plug and wire install or before? Did this just all happen one day suprisingly or was it after doing something to the car?

R
 
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