89 jeep cherokee 4.0 it seem to idle & accelerate fine in park, but bogs down and will not accelerate in drive.
Make sure that the timing is correct and that the spark from the coil is healthy. Problem can also be with the overdrive in the converter. If it's stuck on it can do that too.
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i have an 88 wrangler with similar problems. replaced leaking injector, o2 ensor and fuel pump recently. computer? ???
check tp sensor,iac valve,and map sensor first
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