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No, on a fuel injected engine it can cause high idle speed.
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∙ 8y ago
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Why does my 1994 3.8 lesabre engine runs rough at a light throttle and on cruise control?
check for vacuum leak.
A power brake booster has a vacuum leak All of the following conditions could exist EXCEPT?
Rough engine idle
What can cause rough idle on 1999 Tahoe?
A vacuum leak, a bad injector and if the check engine light is on, check the codes.
Why do you have Rough idle 5.7 Chevy truck?
vacuum leak?
1997 Nissan pickup rough idle?
vacuum leak
94 Pontiac firebird rough running at all speeds?
service engine light on? Have vehicle scanned to determine problemCheck for vacuum leak
No power going up hill rough idle?
Vacuum leak, defective spark plugs or wires. Vacuum leak would be the #1 suspect.
How do you check for a vacuum leak?
Start the engine and spray WD40 on all vacuum connections. When you hear the engine RPMs increase you have found a leak.
What is cause of rough engine idle?
A bad spark plug, a bad spark plug wire, a bad distributor cap, a bad rotor, a bad fuel injector, the firing order is mixed up, a bad valve or a vacuum leak could cause your rough idle.
Why does engine shake?
Miss or vacuum leak.
What causes rough idle but engine runs good on acceleration?
The year, make, model and engine info would help but in general it could be a vacuum leak or time for a tune up.
Why makes a 3y engine run rough at idle Its not the dizzy plugs or leads?
It could be a vacuum leak, try checking all of the vacuum hoses. It could also be a dirty and sticking EGR valve.
