96 D1 Won’t Rev
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Overlanding
Joined: Jan 2011
Posts: 16
Likes: 1
96 D1 Won’t Rev
I have a 96 D1 that I recently sorted the trans issue it was having. Now however it doesn’t seem to want to rev. I ordered some new plugs and wires as they have never been changed since I’ve owned it. Replaced the fuel pump, filter, IAC before trans issue started maybe 2 years ago. Driven maybe 200 miles since they were replaced. I did find a vacuum hose that was shredded near the brake booster, I’ll replace that tomorrow. Any thoughts on what else to check while I’m waiting for parts to arrive?
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Overlanding
Joined: Jan 2011
Posts: 16
Likes: 1
Camel Trophy
Joined: Jan 2010
Posts: 4,245
Likes: 402
From: Traverse City MI
Does it present when cold or warmed up or all the time? What's the fuel mileage like? Does it stumble, hesitate or run smoothly? Check Engine Light on, have a code reader? Throttle Position Sensor, MAF, stuck closed or open fuel injector, stuck exhaust valve would be some of my guesses.
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Overlanding
Joined: Jan 2011
Posts: 16
Likes: 1
Present at all times idles great. I can’t really drive it it will only rev to about 2000 in neutral and reaches roughly 20 MPH. No codes on scanner. Tried unplugging spark plug wires from coils one at a time. Swapped a MAF from a parts Rover I have.
Camel Trophy
Joined: Jan 2010
Posts: 4,245
Likes: 402
From: Traverse City MI
Not surprised no CEL. Can you snag a used TPS or check yours for Ohm sweep? Should sweep gracefully, if not then you have a peckered TPS. According to the Rave the ECU will cut fuel @ 1750rpm....... As has been my experience book and actual are two different worlds.
Last edited by ihscouts; Aug 12, 2018 at 05:13 PM.
