 Step on gas....RPMs drop...., anyone? |
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| CoronaMike |
 May 3 2020, 05:47 PM
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#1
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Member  Group: Members Posts: 152 Joined: 11-February 19 From: Maryville, TN Member No.: 22,868 Region Association: South East States  |
Hi y'all.
So, I seem to have an issue that when I step on the gas - for about the first inch or so of depression on the pedal - it drops the RPMs to almost stalling (sometimes it actually does if it's not heated all the way up). Any ideas? I'm pretty sure I have a bad decel valve - but I don't know if that is part of it or not. 74 1.8 L-Jet Thanks!! (IMG:style_emoticons/default/smile.gif) |
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| VaccaRabite |
May 4 2020, 10:09 AM
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#2
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En Garde! Group: Admin Posts: 13,456 Joined: 15-December 03 From: Dallastown, PA Member No.: 1,435 Region Association: MidAtlantic Region |
Similar thing happened to me. I was WAY lean at part throttle.
How is Idle? High? Hunting at all? Zach |
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| CoronaMike |
May 4 2020, 10:21 AM
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#3
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Member Group: Members Posts: 152 Joined: 11-February 19 From: Maryville, TN Member No.: 22,868 Region Association: South East States |
QUOTE(VaccaRabite @ May 4 2020, 11:09 AM)  Similar thing happened to me. I was WAY lean at part throttle. How is Idle? High? Hunting at all? Zach Thanks Zach - the idle is under 1k - but when i do get past that drop and rev it up - when it goes back down it does 'bounce' a little before it levels back out. uuup downnn uup doown ...steady... |
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| Dustin |
May 4 2020, 11:46 AM
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#4
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Member Group: Members Posts: 111 Joined: 19-August 10 From: Woodland Hills, CA Member No.: 12,072 Region Association: None |
This doesn't sound like a bad deceleration valve. That valve keeps your RPMs from bottoming out when you take your foot off the gas. I would guess something like bad TPS. Assuming you have stock fuel injection.
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